~ PROCEEDINGS 
THE ROYAL SOCIETY. 
ries B. Vol 80. = ——No. B 541. 
BIOLOGICAL SCIENCES. 
CONTENTS. 
me! Page 
‘On Reciprocal Innervation in Vaso-motor Reflexes and the Action of | 
Strychnine and of Chloroform thereon. By W.M. BAYLISS, D.Sc, F.R.S. 339 
: The Action of Resin and Allied Bodies on a Photographic Plate in the 
ie Dark. By WILLIAM J. RUSSELL, Ph.D., F.R.S. (Plates |O—12)° . 376 
a — Sie Feuer in the Hereditary Transmission of the Albino Character 
= and the Black Piebald Coat in Rats.—Paper II. By GEORGE 
oli PERCIVAL MUDGE, A.R.C.Sc. Lond., Lecturer on Biology at the London 
= Hospital Medical College (University of London) and at the London 
x School of Medicine for Women (University of London) ere iraae . 388 
Have ‘Trypanosomes an Ultra-microscopical Stage in their Life-history 2 By 
Colonel DAVID BRUCE, C.B., F.R.S., Army Medical Service, and 
Captain H. R. BATEMAN, Royal Army Medical Corps Se ere J 
- Diphtheria Antitoxin. By JOHN MELLANBY, M.D., George Henry Lewes 
Sein ko cee ee Us ls ae 
