IV 



The Cultivation of Human Tumour Tissue in Vitro. — Preliminary Note. By David 

 Thomson, M.B., Ch.B. (Edin.), D.P.H. (Cantab.), Grocers' Eesearch Scholar, 

 and John Gordon Thomson, M.A., M.B., Ch.B. (Edin.), Beit Memorial Eesearch 

 Fellow. Communicated by Sir Bouald Boss, K.C.B., F.RS. (Plate 7) 90 



No. B 601.— August 27, 1914. 



Trypanosome Diseases of Domestic Animals in Nyasaland. Trypanosoma caprce 

 (Kleine). Part III. — Development in Glossina morsitans. By Surgeon-General 

 Sir David Bruce, C.B., F.R.S., A.M.S. ; Major A. E. Hamerton, D.S.O., and 

 Captain D. P. Watson, R.A.M.C. ; and Lady Bruce, R.B.C. (Scientific Com- 

 mission of the Royal Society, Nyasaland, 1912-14.) (Plate 8) 92 



The Trypanosome causing Disease in Man in Nyasaland : The Liwonde Strain. 

 Part I.- — Morphology. Part II. — Susceptibility of Animals. By Surgeon- 

 General Sir David Bruce, C.B., F.B.S., A.M.S. ; Major A. E. Hamerton, 

 D.S.O., and Captain D. P. Watson, R.A.M.C. ; and Lady Bruce, R.R.C. 

 (Scientific Commission of the Royal Society, Nyasaland, 1912-14) 97 



The Trypanosome causing Disease in Man in Nyasaland. The Naturally Infected 

 Dog Strain. Part I. — Morphology. By Surgeon-General Sir David Bruce, 

 C.B., F.R.S., A.M.S. ; Major A. E. Hamerton, D.S.O., and Captain D. P. Watson, 

 R.A.M.C. ; and Lady Bruce, R.R.C. (Scientific Commission of the Royal 

 Society, Nyasaland, 1912-14.) (Plates 9-11) Ill 



The Trypanosome causing Disease in Man in Nyasaland. The Naturally Infected 

 Dog Strain. Part II. — Susceptibility of Animals. By Surgeon-General Sir 

 David Bruce, C.B., F.R.S., A.M.S. ; Major A. E. Hamerton, D.S.O., and 

 Captain D. P. Watson, R.A.M.C. ; and Lady Bruce, R.R.C. (Scientific Com- 

 mission of the Royal Society, Nyasaland, 1912 -14) 130 



The Vapour- Pressure Hypothesis of Contraction of Striated Muscle. By H. E. Roaf. 



Communicated by Prof. C. S. Sherrington, F.R.S 139 



On the Nutritive Conditions Determining the Growth of certain Fresh-water and 

 Soil Protista. By H. G. Thornton (New College) and Geoffrey Smith, Fellow 

 of New College, Oxford. Communicated by Prof. G. C. Bourne, F.R.S. 

 (Plate 12) 151 



The Validity of the Microchemical Test for the Oxygen Place in Tissues. By Alan 

 N. Drury, B.A., Shuttleworth Student of Gonville and Caius College. Com- 

 municated, with a Note, by W. B. Hardy, F.R.S 166 



Studies on Enzyme Action. XXII. — Lipase (IV). — The Correlation of Synthetic 

 and Hydrolytic Activity. By Henry E. Armstrong, F.R S., and H. W. Gosney, 

 B.Sc 176 



No. B 602.— September 15, 1914. 



Morphology of Various Strains of the Trypanosome causing Disease in Man in 

 Nyasaland : The Human Strain (continued). — VI to X. By Surgeon-General 

 Sir David Bruce, C.B., F.R.S., A M.S. ; Major A. E. Hamerton, D.S.O., and 

 Captain D. P. Watson, R.A.M.C. ; and Lady Bruce, R.R.C. (Scientific 

 Commission of the Royal Society, Nyasaland, 1912-14) 190 



