CONTENTS 



Original Paper 



Page 

 Physics. — The density and thermal expansion of ethyl alcohol and its mix- 

 tures with water. X. S. Osborne. E. C. McKelvy and H. W. Bearce. . 95 



Abstracts 



Meteorology 99 



Geology * 100 



Therapeutics 101 



Pharmacology 101 



Bacteriology 102 



i 



Proceedings 



The Botanical Society of Washington 103 



The Geological Society of Washington 105 



