INDEX TO VOLUME III 



PROCEEDINGS, PROGRAMS AND ANNOUNCEMENTS OF THE 

 ACADEMY AND AFFILIATED SOCIETIES 



Anthropological Society of Washing- 

 ton. Proceedings: 31, 91, 128, 155, 

 200, 304, 479, 510. 



Biological Society of Washington. Pro- 

 ceedings: 174, 267, 427, 509. 



Botanical Society of Washington. Pro- 

 ceedings: 92, 132, 264, 279, 596. 



Programs and announcements: 52. 



Chemical Society. Proceedings: 129, 

 197, 260, 340, 505. 



Announcement: 540. 



Congress of Americanists, Nineteenth 

 International : 512. 



Geological Society of Washington. 



Proceedings: 50, 156, 173, 199, 237, 



300, 343, 538. 

 National Academy of Sciences. Semi- 

 centenary anniversary : 240. 

 Philosophical Society of Washington. 



Proceedings: 46, 296, 426, 536. 

 Washington Academy of Sciences. 



Proceedings: 121, 154, 197, 339, 



505. 

 Programs and Announcements: 52, 



512. 



AUTHOR INDEX 



Abbot, C. G. *Report on the astro- 

 physical observatory, Smithsonian 

 Institution, for year ending June 

 30, 1912. 110. 



Allen, E. T. *The sulfides of zinc, 

 cadmium, and mercury; their crys- 

 talline forms and genetic condi- 

 tions. 114. 



-Th 



O TTQ VI Q t 1 /-vt-» y-» 



r +u. 



,,,« of\r\ 



sun. 309. 



326. 



* Abstracts. 



541 



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