CONTENTS. 



PAGE. 



A new Law in Thermochemistry; by Frank Wigglesworth 

 Clark I 



Hopkins-Stanford Galapagos Expedition. — XIV. Reptiles ; by 

 Edmund Heller 39 



John Wesley Powell : Proceedings commemorative of his distin- 

 guished services ......... 99 



Hopkins-Stanford Galapagos Expedition. — XV. New Fishes ; 

 by Edmund Heller and Robert Evans Snodgrass . . .189 



Hopkins-Stanford Galapagos Expedition. — XVI. Birds ; by 

 Robert Evans Snodgrass and Edmund Heller . -31 



Notices of deceased members ....... 373 



Index ........... 423 



