SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE. 



647 



RESEARCHES 



VENOMS OF POISONOUS SERPENTS 



BY 



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

 OF PHILADELPHIA. 



S. WEIR MITCHELL, M.D., 



AL ACADEMY OF SCIENCES, U. S. A. ; PRESIDENT OF THE 

 OP PHILADELPHIA. 



AND 



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. 



