Vll 



PAdB 



The Natural Food of Olossina palpalis. By Colonel Sir David Bruce, C.B., 

 F.R.S., Army Medical Service ; Captains A. E. Hamerton, D.S.O., and H. R. 

 Bateman, Royal Army Medical Corps ; and Captain F. P. Mackie, Indian 

 Medical Service. (Sleeping Sickness Commission of the Royal Society, Uganda, 



1908-10) 490 



Mechanical Transmission of Sleeping Sickness by the Tsetse Fly. By Colonel Sir 

 David Bruce, C.B., F.R.S., Army Medical Service ; Captains A. E. Hamerton, 

 D.S.O., and H. R. Bateman, Royal Army Medical Corps ; and Captain F. P. 

 Mackie, Indian Medical Service. (Sleeping Sickness Commission of the Royal 

 Society, Uganda, 1908-10) 498 



The Chromaphil Tissues and the Adrenal Medulla. By Swale Vincent, M.D., D.Sc, 

 F.R.SS. E. and C, Professor of Physiology in the University of Manitoba. 

 Communicated by Prof. E. A. Schafer, F.R.S. (Plate 13) 502 



On the Occurrence of a Mesocoelic Recess in the Human Brain, and its Relation 

 to the Sub-Commissural Organ of Lower Vertebrates ; with special reference 

 to the Distribution of Reissner's Fibre in the Vertebrate Series and its 

 possible Function. By Arthur Dendy, D.Sc, F.R.S., Professor of Zoology 

 in King's College (University of London), and G. E. Nicholls, B.Sc, Assistant- 

 Lecturer and Demonstrator in Zoology in King's College. (Plate 14) 515 



AutotoxEemia and Infection. By E. C. Hort, F.R.C.P. Ed., Assistant Physician to 



the Italian Hospital. Communicated by William Osier, F.R.S 529 



The Blood Volume of Mammals as Determined by Experiments upon Rabbits, 

 Guinea-pigs, and Mice, and its Relationship to the Body Weight and to the 

 Surface Area expressed in a Formula. By Georges Dreyer, M.A., M.D., and 

 William Ray, B.Sc, M.B. Communicated by Prof. F. Gotch, F.R.S. (Abstract) 545 



No. B 559.— September 9, 1910. 



Croonian Lecture. — Alterations in the Development and Forms of Plants as a 



Result of Environment. By Prof. G. Klebs, University of Heidelberg 547 



The Origin and Destiny of Cholesterol in the Animal Oi'ganism. Part VII. — On 

 the Quantity of Cholesterol and Cholesterol Esters in the Blood of Rabbits 

 Fed on Diets containing Varying Amounts of Cholesterol. By Mary T. 

 Eraser, B.Sc, and J. A. Gardner, M.A. Communicated by Dr. A. D. Waller, 

 F.R.S \ 



On the Comparative Toxicity of Theobromine and Caffeine, as Measured by 

 their Direct Effect, upon the Contractility of Isolated Muscle. By V. H. 

 Veley, F.R.S., and A. D. Waller, M.D., F.R.S 



A New Method for the Quantitative Estimation of Hydrocyanic Acid in Vegetable 

 and Animal Tissues. By Dr. A. D. Waller, F.R.S 



The Origin of Osmotic Effects. III. — The Function of Hormones in Stimulating 

 Enzymic Change in Relation to Narcosis and the Phenomena of Degenerative and 

 Regenerative Change in Living Structures. By Henry E. Armstrong, F.R.S., 

 and E. Frankland Armstrong, Ph.D., D.Sc 



The Inorganic Composition of the Blood in Vertebrates and Invertebrates, and 

 its Origin. By Prof. A. B. Macallum, Ph.D., Sc.D., F.R.S., of the University 

 of Toronto 



568 

 574 



588 

 602 



t 



