CONTENTS 



Page 



Original Papers 



Botany — Synopsis of the genus Datura. William E. Safford 173 



Abstracts 



Astronomy 189 



Entomology 190 



Geology 192 



Paleontology 194 



Proceedings 



Entomological Society 194 



Scientific Notes and News 196 



OFFICERS OF THE ACADEMY 

 President: Ai^frkd H. Brooks, Geological Survey. 

 Corresponding Secretary: Robert B. Sosman, Geophysical Laboratory. 

 Recording Secretary: WiiyiviAM R. Maxon, National Museum. 

 Treasurer: R. L. Faris, Coast and Geodetic Survey. 



