CONTENTS 



Page 



Introduction. 



Advertisement , iii 



List of Officers, etc ix 



ARTICLE I. (647.) Researches upon the Venoms of Poisonous Serpents. By 

 S. Weir Mitchell, M. D., and Edward T. Reichert, M. D. Pub- 

 lished 1886. 4to., 196 pp. 5 cuts, and 5 plates with 17 figures. 



ARTICLE II. (673.) Genesis of the Arietid^e. By Alpheus Hyatt. Published 

 1889. 4to., 250 pp. 6 folding tables, 14 plates, with 14 pages of expla- 

 nation. 



