PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 



Series B. Vol. 81. 



No. B549. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Trypanosoma ingens, n. sp. 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. (Plate 7) . 



The Effect of the Injection of Intracellular Constituents of Bacteria (Bacterial 

 Endotoxins) on the Opsonising Action of the Serum of Healthy Rabbits. 

 By R. TANNER HEWLETT, M.D 



The Alcoholic Ferment of Yeast-]uice. Part IV. — The Fermentation of 

 Glucose, Mannose, and Fructose by Yeast-juice. By ARTHUR 

 HARDEN. F.R.S., and W. J. YOUNG 



The Discovery of a Remedy for Malignant Jaundice in the Dog and for 

 Redwater in Cattle. By GEORGE H. F. NUTTALL, M.D., Ph.D.. Sc.D., 

 F.R.S., Quick Professor of Biology in the University of Cambridge ; and 

 SEYMOUR HADWEN, D.V.Sci. (McGill) of the Department of Agriculture, 



The Vacuolation of the Blood-platelets : an Experimental Proof of their 

 Cellular Nature. By H. C. ROSS, late Surgeon Royal Navy 



Further Results of the Experimental Treatment of Trypanosomiasis : being 

 a Progress Report to a Committee of the Royal Society. By 

 H. G. PLIMMER, F.L.S,, and W. B. FRY, Captain R.A.M.C. 



Observations on the Urine in Chronic Disease of the Pancreas. By 

 P. J. CAM MIDGE (M.D. Lend.) 



A Method of Estimating the Total Volume of Blood contained in the Living 

 Body. By J. O. WAKELIN BARRATT, M.D., D.Sc. Lond., and 

 WARRINGTON YORKE, M.D. Liverpool 



Preliminary Note on Trypanosoma eberthi (Kent) ( = Spirochaeta eberthi, 

 Liihe) and some other Parasitic Forms from the Intestine of the Fowl. 

 By C. H. MARTIN, B.A., Demonstrator of Zoology in Glasgow 

 University, and MURIEL ROBERTSON, M.A., Assistant to the 

 Professor of Protozoology in the University of London. (Plate 8) 



The Possible Ancestors of the Horses living under Domestication. By 

 J. C. EWART, M.D., F.R.S., University of Edinburgh. (Abstract) . 



Hillhousia mirabilis, a Giant Sulphur Bacterium. By G. S. WEST, M.A., 

 D.Sc, F.L.S., and B. M. GRIFFITHS. B.Sc. (Plate 9) . . . 



PRINTED FOR THE ROYAL SOCIETY AND SOLD BY 

 HARRISON 6s SONS, 45, ST. MARTIN'S LANE, LONDON, W.C. 



Page 



323 

 325 

 336 



348 

 351 



354 

 372 



381 



38 S 

 392 

 398 



Price Four Shillings and Sixpence. 



No. B 549. 



October 9, 1 



