CONTENTS 



Oeiqinal Papers 



Page 

 Physics. — Characteristics of radiation pyrometers. George K. Burgjsss 



and Paui- D. Foote 233 



Physics.— A study of some recent methods for the det-ermination of total 



sulphur in rubber. J. B. Tuttle and A. Isaacs 235 



Botany. — Glaucothea, a new genus of palms from Lower California. 0. F. 



Cook 236 



Abstracts 



Meteorology 242 



Botany 244 



References 



Meteorology 2i5 



Entomology 249 



Proceedings 



The Philosophical Society 250 



The Geological Society 252 



The Botanical Society 256 



The Society of American Foresters 258 



The Biological Society 269 



The Anthropological Society 263 



