SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE. 



- 647 



RESEARCHES 



VENOMS OF POISONOUS SERPENTS. 



BY 



S. WEIR(_MITCHELL, M. D., 



.MEMBER OK THE NATIONAL ACADEMY OF SCIENCES, F. S. A. ; PRESIDENT OF THE COLLEGE OF PHYSICIANS 



OK PHILADELPHIA. 



EDWARD T. REICHERT, M.D., 



PROFESSOR OF PHYSIOLOGY IN THE UNIVERSITY OF PENNSYLVANIA. 



[ACCEPTED FOR PUBLICATION, MAY, 1885.] 



WASHINGTON: 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION. 



1886. 



