CONTEXTS. 



For Announcei7ients , RejMrts, etc., see General Index. 



Anderson. ^ifALComi P., and Joseph Grixnell. Birds of the 

 Siskiyou Mountains, California : a Problem in Distribu- 

 tion, 4 



Banks. Xathax. A List of Arachnida from Hayti, with De- 

 scriptions of New Species (Plate XV) 340 



BiLGRAM. Hugo. Inclusions in Quartz, 700 



Brown, Arthur Erwin. The ^'a^iations of Euta:'nia in the 



Pacific Subregi on, 286 



Texas Reptiles and Their Faunal Relations 543 



Calvert, P. P., Ph.D. Ganglia of Odonata, 760 



Casey, Thomas L. Notes on the Conrad Collection of Vicksburg 



Fossils, with Descriptions of New Species, 261 



Chamberlaix, Ralph V, Myi-iopods from Beulah, New Mexico, 35 



New Lithobil from California and Oregon, 152 



Chapman, Henry C, M.D. On a Collection of Anthropoids, . 719 

 CocKERELL, T. D. A. Bees of the Genus Nomada from Califor- 

 nia 559 



North Amei-ican Bees of the Genus Nomada, 580 



Variations in the Snail-Genus Ashmunella, 615 



Conklin, Edwin G., Ph.D. The Cause of Inverse Symmetr}-, . 753 

 Crawley, Howard. List of Polycystid Gregarines of the United 



States (Plates I, II, HI), 41 



Nosema geophili, sp. n., a Myxosporidian Parasite of Geo]ihi- 



lus, ...... ^ 337 



The Polycystid Gregarines of the United States (Plate XXX), 632 

 EiGENMAXX, Carl H., and Clarence Hamilton Kennedy. On 

 a Collection of Fishes from Paraguay, with a Synopsis 



of the American Genera of Cichlids, 497 



Fielde, Adele M. Supplementary Notes on an An I, .... 491 



Experiments with Ants Induced to Swin:i 617 



i 



