PROCEEDINGS 133 



Proc. 

 No. 



2202. A report on a collection of Hymenoptera (mostly from California) made bj 



W. M. Giffard. By S. A. Rohvver. Pp. 233-249. May 28, 1917. 



2203. A new species of bear-animalcule from the coast of North Carolina. By W. P. 



Hay. Pp. 251-254, 1 pi. June 1, 1917. 



2204. A new American parasite of the Hessian fly (Mayetiola destructor Say). By 



P. R. Myers. Pp. 255-257. May 28, 1917. 



2205. Cuban amphibians and reptiles collected for the United States National 



Museum from 1899 to 1902. By Leonhard Stejneger. Pp. 259-291, 128 

 figs. May 31, 1917. 



2206. An American species of the hymenopterous genus Weimaelia of Foerster. By 



P. R. Myers. Pp. 293-294. May 24, 1917. 



2207. A monograph of West American melanellid mollusks. By Paul Bartsch. Pp. 



295-356, 16 pis. Aug. 13, 1917. 



2208. The type-species of the genera of the Cynipoidea, or the gall wasps and 



parasitic cynipoids. By S. A. Rohwer and Margaret M. Fagan. Pp. 357- 

 380. June 6, 1917. 



2209. New and little-known species of South American fresh-water mussels of the 



genus Diplodon. By William B. Marshall. Pp. 381-388, 6 pis. Aug. 15, 1917. 



2210. Some fossil insects from Florissant, Colorado. By T. D. A. Cockcrcll. Pp. 



389-392. June 2, 1917. 



2211. The salamanders of the genera Desmognathus and Leurognathus. By Emractt 



R. Dunn. Pp. 393-433, 15 figs. June 4, 1917. 



2212. Description of a new species of extinct horse, Equus latnhel, from the Pleisto- 



cene of Yukon Territory. By Oliver P. Hay. Pp. 435-443, 3 pis. June 5, 1917. 



2213. Notes and descriptions of miscellaneous chalcid-flies (Hymenoptera). By 



A. A. Girault. Pp. 445-450. Aug. 10, 1917. 



2214. Description of a new species of crab from the California Pliocene. By Mary 



J. Rathbun. Pp. 451-452, 1 pi. Aug. 15, 1917. 



2215. Fossil remains of what appears to be a passerine bird from the Florissant 



shales of Colorado. By R. W. Shufeldt. Pp. 453-455, 2 pis. Aug. 15, 1917. 



2216. Eight new species of reared ichneumon-flies with notes on some other species. 



By R. A. Cushman. Pp. 457-469. Aug. 9, 1917. 



2217. Notes on the shells of the genus Epitonium and its allies of the Pacific coast 



of America. By William Healey Dal!. Pp. 471-488. Aug. 10, 1917. 



2218. Fossil Echini of the Panama Canal Zone and Costa Rica. By Robert Tracy 



Jackson. Pp. 489-501, 4 figs., 7 pis. Sept. 24, 1917. 



2219. A revision of hymenopterous insects of the tribe Cremastini of American north 



of Mexico. By R. A. Cushman. Pp. 503-551. Aug. 22, 1917. 



2220. The color of amethyst, rose, and blue varieties of quartz. By Thomas L. 



Watson and R. E. Beard. Pp. 553-563. Aug. 11, 1917. 



2221. Generic names applied to birds during the years 1906 to 1915, inclusive, with 



additions and corrections to Waterhouse's "Index Generum Avium." By 

 Charles W. Richmond. Pp. 565-636. Aug. 16, 1917. 



2222. North American collembolous insects of the subfamily Onychiurinae. By Justu» 



W. Folsom. Pp. 637-659, 12 pis. Aug. 22, 1917. 



Volume 54 



Proceedings of the United States National Museum, vol. 54. Pp. i-xv (title page, 

 advertisement, table of contents, and list of illustrations) ; pp. 1-640 (Proceed- 

 ings papers 2223-2257) pp. 641-653 (index) ; 95 figs., 96 pis. 1919. 



2223. Chitons taken by the United States Fisheries steamer Albatross in the north- 



west Pacific in 1906. By S. Stillman Berry. Pp. 1-18, 1 fig., 10 pis. Dec. 5, 1917. 



2224. Notes on Hawaiian lizards. By John Otterbein Snyder. Pp. 19-25. Oct. 7, 1917. 



2225. Nuculites from the Silurian formations of Washington County, Maine. By 



Henry Shaler Williams. Pp. 27-58, 1 fig., 2 pis. Oct. 20, 1917. 



2226. Altitudinal distribution of Entomostraca in Colorado. By Gideon S. Dodds. 



Pp. 59-87, 9 figs., 2 pis. Oct. 27, 1917. 



