McGill University Thèses et mémoires publiés en 1932

A perusal of this thesis reveals meagre references to printed material and a very scanty bibliography. The absence of this information is not due in any way to lack of research work on the part of the writer, but arises primarily from the newness of the cellophane industry. The comparatively recent establishment of the industry largely accounts for the lack of literature dealing with it. Furthermore, a large number of patents originally covering the process of manufacturing cellophane has expired, thereby exposing the DuPont cellophane company in the United states and the cellophane subsidiary of Canadian Industries Limited in Canada …  Lire la suite

The beneficial effect of the drying of soils upon their fertility has been a recognised fact in agricultural practice for many centuries. Russell, (16., p.p. 343-344), points out that this effect has been brought about, either by the exposure of the soil to the baking heat of the sun -- as in India and in Egypt, (Prescott (15) ), or by deliberate burning ofthe soil. The increasing interest in soil science within recent years has stimulated investigation of this phenomenon from various viewpoints: evidence has accumulated to show that the beneficial effects of drying are due to changes in both …  Lire la suite

Investigations have been made in the McGill Biochemical Laboratory during the last three years on the endocrine functions of the ovary, placenta and anterior lobe of the pituitary, with the hope of bringing to light some of the relations that exist between them. Some of the results have already been published (29)(30)(39)(40)(41)(42) (43)(44) but much work is still in progress. As the work of this thesis has been largely confined to the anterior hypophysis and placenta, they alone will be discussed in detail and the ovary only in so far as it is related to these organs. The literature of …  Lire la suite

The communication of intelligence between remote points on the earth's surface without the aid of connecting wires was developed from a fantastic dream in the minds of visionarytheorists and optimistic experimentalists into a practicable working possibility in the closing five years of the nineteenth century. Credit for the final developments madeat that time must go to Marconi, but his work was the culmination of a long series of investigations carried out by Clerk-Maxwell, Preece, He~.tz, Branly, Lodge, Tesla, Popoff, Righi, and many others, all of whom were responsible for theoretical or experimental advances wh'ich brought one step closer the goal …  Lire la suite

The work to be described in this thesis deals with the preparation and investigation of the physical properties of the lower members of an homologous series namely the alkyl acetylenes. In view of the fact that small differences in properties would be observed in the case of isomeric substances and also that the validity of the observations in the case of certain properties depends solely on the purity of the compound investigated new details have been developed in connection with the methods of preparation and special care devoted to the purification of the compounds. [...]  Lire la suite

The use of light as a means of measuring the physical properties of various systems has numerous advantages. Perhaps the greatest of these is the fact that it is not necessary to alter the system under investigation in order to determine the property desired. Thus in experiments involving such phenomena as the flocculation of colloids and the rate of formation of precipitates, optical measurements give a rapid means of determining the extent of the reaction without the necessity of arresting its course. The use of various types of apparatus based on the principle that the intensity of light transmitted, or …  Lire la suite

The development of modern business gradually has resulted in the substitution of method in operations in place of haphazard chance, and has rewarded richly those corporations and small businesses which have followed some well coordinated scheme to reach their objectives. The value of planning is admitted generally, but the scope of its possible employment and the details of its operation seldom are recognized. Proper planning of all operations is regarded as an excellent theory by the average individual in business, but he is either ignorant of the fact or not willing to reoognize that planning can be applied to his …  Lire la suite

A survey of the methods used in agricultural experimentation reveals a tendency toward a more accurate procedure, for the reduction of experimental error and improvement of field technique. With cereals and forage crop tests, some marked progress has already been made in experimental procedure. At experimental stations and agricultural colleges more accuratemethods of testing have been employed and more care has been exercised in mechanical operations. In order to reduce soil error, changes have been made in the size and arrangement of plots as well as the number of replications. The periods of testing have been lengthened in order to …  Lire la suite

Imperial Preference in matters of trade is by no means an invention of the 1ater nineteenth century. There is this difference, however, between the preferential system of our time and that which preceded it --- today mutual concessions are granted by autonomous units of the British Commonwealth of Nations, whereas under the Old Oolonial System the fiscal policy for the whole Empire was determined by the Mother Country, England. [...]  Lire la suite

Theory of e1asticity treats of the analysis of stresses set up in a body, subjected to external forces. It leads us to differential equations which have :Jeen solved only in a few simple cases. For calculating stresses set up in structures the Theory of Strength of Materials has been developed from pure Elasticity, by making certain assumptions and approximations. It leads us to solutions, which, although not exact, are accurate enough for engineering purposes. [...]  Lire la suite

Hibbert, Harold (Supervisor)  Lire la suite

The work to be described in the following pages is an outgrowth of investigations into the oxidation of organic compounds, which have been carried on in this laboratory for the past ten years. Its chief feature may be said to be the conductivity of organic peracids. In order, however, to provide the correct setting of this work it is necessary to review at somelength all those previous studies which have a direct bearing on the subject. No apology is offered for the length of the review which follows, as it is essential that thehistorical sequence be accurately presented.  Lire la suite

An epidemic of the black-headed budworm, Peronea Variana Fern., in the balsam-spruce forests of southern Cape Breton was reported to the Dominion Entomological Branch in July, 1929. A survey of the infested territory showed that severe and widespread defoliation of the new foliage of mature balsam fir (1) and white spruce (2) had occurred. Biological studies of Peronea Variana in Cape Breton were carried on during 1930 by Mr. R. E. Balch, entomologist-in-charge, Dominion Entomological Laboratory, Fredericton, N. B.; the present writer assisted in this work. Among the agencies of natural control was found the predator, Podisus serieventris Uhler, which …  Lire la suite

On a trop ignore l'importance de l'eau dans l'oeuvre de Lamartine. C'est à peine, en y pensant, si l'on peut citer un autre poème que le Lac ou' elle est présente. Pour ceux qui 1' ont etudié de près cette ignorance semble incroyable. Mais la verve poétique, le style du poète, n'ont ils pas l'harmonie et la fluidité mêmes de l'eau? Il y a une concordance parfaite entre cet element, pur et limpide et les vers du poète. [...]  Lire la suite

The relation of the parathyroid glands and vitamin D to calcium and phosphorus metabolism has been recognized for many years. Increased interest has been aroused in this subject within the last few years by the extraction of the potent principle from the parathyroid glands and the preparation of a concentrate of vitamin D in the form of irradiated ergosterol. The subject of this thesis is the study of the effect of these potent preparations on calcium and phosphorus metabolism principally in relation to the excretion of theseelements and in this way to obtain information on their mode of action in …  Lire la suite

The censorship in England traced to the Master of Revels(1377); in France to an ordonnance against jongleurs(789). More arbitrary and traditional in England Patent Theatres' Act, 1843, confirmed the censorship'under the Lord Chamberlain, assisted by a permanent Examiner of Plays Select Committees, 1866 and 1909, reported on censorship. French censure depended on political changes, and was finally abolished in 1906. More persuasive and thorough than the English. The influence of the· stage on public 'morale; evidence showing the French more excitable and amenable to suggestion. [...]  Lire la suite

The early history of scientific description of the salivary gland is obscure. No doubt the intensive use of mercurial medicines and the consequent salivation induced had early directed the attention of the anatomist toward these glands in regard to their anatomy and relationships in gross. The landmarks of eponymic terminology record only the duct of Wharton (1610 - 73) - the submaxillary duct, the duct of Stenson (1638 - 1686) - the parotid duct, and the nerve of Jacobson (1783 - 1843). The investigation of the histology of the glands is much more recent and followed upon the physiological advances …  Lire la suite

The biology of the spruoe saw-fly is known to some extent, though there is apparently no literature on its morphology. This paper consists of a brief discussion of the externalmorphology of the four stages through which the insect passes, of some internal structures of ectodermal origin, and also of the internal morphology of the adult digestive andnervous systems, together with certain associated organs. The term spruce saw-fly as applied to the species is not a satisfactory one, it having been previously applied to another speoies, Diprion (Lophyrus) abietis, of the same family (Swaine '13 and 115). This term was adopted, …  Lire la suite

During the whole period of their life in Russia the Doukhobors were an illiterate sect, who appeared to scorn to set their carefully preserved beliefs and traditions on paper. It would seem, however, that this practice of preserving their quasi-historical and religious teachings in their memories, and passing them on by word of mouth, was a result of their wish to incur as little as possible the displeasure of the government-supported orthodox church, by providing investigators with little or no documentary evidence upon which to secure a conviction of heresy. At the same time they early acquired skill in answering …  Lire la suite

History is no longer an affair of battles and politics. The last century saw the growth of the idea that, local organization, economic development, and social customs, and their interrelation with political and other movements are most important in history. The field of social custom was opened up with a study of the most obvious element of society, the upper classes. The last century also saw the study of the Middle Ages emerge from the hazy misconceptions of the Romantic school, which had followed upon the contemptuous neglect of preceding generations. Now the scientific study of the customs of the …  Lire la suite

The writer discusses the relation between the motor vehicle and total highway costs and presents a method of distributing this cost among motor vehicles in such a manner that each vehicle contributes directly in proportion to the amount of use which it makes of the highways. The underlying principle of the method is in the measurement of highway wear andtear in terms of impact force on the highway. From impact force, slightly modified by highway space occupied and a limited application of the 'ability to pay' canon of taxation, a schedule of relative ratios showing the proportional place that different …  Lire la suite

The student in Canada who attempts to do any intensive research on English history is necessarily hampered by his inability to use the original documents. He has therefore to rely solely on printed sources, and as he and the editor frequently differ as to what is important enough to be put in, and what is unimportant enough to be omitted, the results ara not always wholly satisfactory. For the study of English local history, the records of some ten of the forty counties are available -- the North and West Ridings of Yorkshire, Lancashire, Nottingham, Derby, Worcester, Northampton, Hertford, Middlesex, …  Lire la suite

Before dealing directly with the local problem of juvenile delinquency in Montreal, a brief historical account of the general subject is in order. Cure rather than prevention has frequently seemed to be the aim of man's research whether in the medical, religious, or social field. Not until comparatively recent years have men concerned themselves with causes. This has been only too true in the attitude of society towards those who oft transgress its rules. The amount of time, thought and money which the State has expended in punishing those who have committed crimes has been enormous throughout the centuries. Only …  Lire la suite

In 1927, Dr. John Campbell suggested to the Pulp and Paper Division of the Forest Products Laboratories of Canada that information of considerable value might be obtained by a study of the penetration of liquids into wood. This suggestion was incorporated into the research program of the Laboratories, and Dr. H. W. Johnston from 1927 to 1929 made a preliminaryinvestigation of the penetration of liquids into Jack Pine. The results obtained were of sufficient interest to warrant further study, and from 1930 to 1932 the field has been developed by five graduate students in Physical Chemistry at McGill University working …  Lire la suite

This thesis deals with the migration between Canada and the United States with particular reference to the professional and intellectual classes, or what might be called by some such popular phrase as the "Export of Brains". As far as I have been able to discover, there has been very little work previously done on this subject. As a resultt the material has been collected bit by bit by going through long lists of names and writing many individual letters. In the time at my disposal I have not been able to make a very complete investigation of the subject which …  Lire la suite

The following pages deal with Benjamin Franklin's interest and part in the question of Canada as that question enters into the continental history of North America and the relations of North America with the British and French governments between the years 1745-1790. He p1ayed his part in both falls of Louisburg; Braddock's expedition; the taking of Quebec; England's choice of Canada over Guadeloupe; crushing Pontiac's Conspiracy; organizing the Canadian post-office; introducing the first Canadian printing presses; developing Nova Scotia; the American invasion of Canada; the Moravian missions in Labrador; improving Canada's New Brunswick boundary; and but for his colleagues Jay …  Lire la suite

The scope of the investigation may be briefly summarized as follows:- Investigation of the flotation characteristics of the ore including the effect of aeration, the value of the employment of cyanide, the compilation of data which would either support or refute an hypothesis regarding the effect in flotation of alkaline reagents; and finally the compilation of data to expl~in difficulties which developed in connection with the recovery of the gold in the ore. [...]  Lire la suite

This investigation of the normal auditory sense in dogs was undertaken with a view to elaborating a technique by which relatively slight abnormalities in hearing, which mightoccur as the result of certain experimental procedures, would be readily detectible. Experimental work of this nature is by no means unique. Galton was one of the first to point out that in some animals, especially the smaller ones, the upper limit for pitch extends beyond the human range. Amongst the early workers may be mentioned Munk (1890), who tested the response of the animal to the spoken voice before and after ablation in …  Lire la suite

The suitability of various species of wood for many practical purposes depends on their permeability to liquids. The investigation to be described in this thesis has for its object a study of the factors affecting the penetrat1on of liquids into and through wood, and the application of results and observations to the study of the mechanism of penetration. The first topic to be discussed will be the industrial and practical importance of penetration of liquids into wood and of factors affecting the rate of penetration. [...]  Lire la suite

The structure and relationships among the various cerebrospinal nerve roots concern an understanding of each of the highly specialized constituents of both the central and peripheral nervous systems. It is not surprising, therefore, that information upon this subject is scattered through a vast literature under a variety of titles. The earliest studies on the histology of the cerebrospinal nerves ooncerned the nerve fibers for the obvioas reason of their susceptibility to the simpler technical procedures then in vogue. [...]  Lire la suite

With the increasing knowledge regarding the pathogenicity of the group of organisms now generally classified under the generic name "Bruce11a" a new interest has been awakened andmore 1nformation pertaining to natural hab1tats and modes of dissemination is desired. Like the tubercle organisms, all the members of the Brucella group are true parasitee. They are known to multiply nowhere in nature except in the body of the host. The oontagious nature of abortions in cattle has been reoognized for centuries, but not until oomparatively recently was an organism discovered which was considered the etiological agent. Since the discovery of the Bang …  Lire la suite

This thesis attempts to show that the mood and expression of English Satire is Hebrew in tone and inspiration. The introduction consists of an outline showing the efficacy of satire, and an attempt to give an adequate definition of satire. It is found from this study, that there is no absolute definition, but that true satire must contain humour, at least the semblance of a purpose and good literary form. A chapter on idealistic worlds or Utopias shows that writers of this type of literature are really satirists. Then follows a study of the most important satires in the Restoration …  Lire la suite

The clerks of Chaucer's day were not the first nor the last men to philosophize about the relation of man to the Divine Governor, nor was Troilus unique in being perplexed by the conflicting arguments. The free will problem faced the Fathers of the early Greek church when they attempted to overcome the beliefs of Gnosticism. The Gnostics denied that any free chmice was given to man, whereas the early Greek Fathers argued for man's free will. [...]  Lire la suite

The following discussion is an investigation into the movement of Canadian foreign exchange after July, 1919. In the early years the abnormal post-war conditions are, to a great extent, responsible for the movements of the Canadian dollar. The three years after 1924 may, for exchange purposes, be cons1dered to be normal years. In 1929 a situation arose that was different from any previous experience in the history of Canadian exchange. In 1931 there was another development that differed from past experiences. The differentiation between the exchange difficulties in 1929 and in 1931 is an important part of this investigation. [...]  Lire la suite

The problem of elimination of losses in different parts of machines attracts more and more the attention of the technical world. Many investigations have been carried out in this field, and numerous investigators still continue their researches trying to reveal the behaviour of various parts of machines and to apply this knowledge to the improvement of the efficiency and durability of machines. One of the most important and complicated parts in a machine is the bearing. Its characteristics, its friction, lubrication and proper designare so complicated, that, in spite of numerous investigations, there still remain many questions to be answered.  Lire la suite

The author claims that the method and device described in the present thesis are both original work and a definite contribution to knowledge. The author claims to have originated the idea of determining the location of hidden conducting bodies electromagnetically by comparing two fields at right angles to each other both in magnitude and phase; to have beenjointly responsible for associated theory; to have been jointly responsible for the method of determining the depth of a linear conductor; to have devised a means of determining the width and depth of a wide vein; to have discussed, thoroughly, the errors of …  Lire la suite

Depuis 1'indépendance des Etats-Unis la "découverte de 1'Amérique" a été faite par un certain nombre de Français qui continuèrent à considerer ce pays comme une colonie de la Grande Bretagne en tant que civilisation. Une prosperité qui grandissait rapidement slatant manifestée après Ie commencement du vingtieme sièc1e, i1 fal1ut accorder au jeune pays une vie à part. Il venait d'atteindre sa majorité au moment ou 1a guerre I'entraina bon gré mal gré dans les affaires internationales. Le voila' donc en 1918 qui prit sa place parmi les grands pays du monde. [...]  Lire la suite

It will be the endeavour of this thesis to state the influence of Gordon Craig on the contemporary drama. The word drama is used in its widest sense to include the play, the theatre where it is put on, the scenery, actors, etc. To show the full extent of his influence would be impossible. His writings are read by many people interested in different aspects of the drama. Whether the discussions on theatrical topics have to do with the actor, the theatre, scenery, the marionette, the mask, realism, expressionism, theatre schools, light, plays and playwrights, subsidies for the theatre or …  Lire la suite

This thesis is divided into three parts. The first part describes the development of a new type of calorimeter capable of great accuracy in measurement of heats of solution of solids in volatile solvents. Also included in the first part of the thesis are values for the heat of solution of sulphur in carbon disulphide over a concentration range, and values for the specific heats of carbon disulphide-sulphur solutions. The second part of the thesis deals with the heat of solution of finely divided sulphur and a determination of the total surface energy of solid sulphur. Only a few values …  Lire la suite

The great writer of comic operas spoke-the truth when he said that: "Every boy and every gal that's born into this world alive is either a little Liberal or else a little Conservative." All men are at all times supporters either of Modernism or of Tradition. They either resist change or try to accelerate it. There are times, however, when the struggle becomes acute, and of these the present esra is one. In its struggle for mastery Modernism has suddenly realized that the fate of new and old in social and economic life, in politics, in religion, will be decided …  Lire la suite