138 BULLETIN 193. UNITED STATES NATIONAL MUSEUM 



Proc. 

 No. 



2322. Synopsis of the trematode family Heterophyidae with descriptions of a new 



genus and five new species. By Brayton Howard Ransom. Pp. 527-573, 

 33 figs. June 16, 1920. 



2323. Larvae of North American beetles of the family Cleridae. By Adam G. 



Boving and A. B. Champlain. Pp. 575-649, 12 pis. Aug. 31, 1920. 



2324. Pleistocene peccaries from the Cumberland Cave deposit. By James Williams 



Gidley. Pp. 651-678, 13 figs., 2 pis. June 18, 1920. 



Volume 58 



Proceedings of the United States National Museum, vol. 58. Pp. i-viii, title page, 

 advertisement, table of contents, and list of illustrations) ; pp. 1-680 (Pro- 

 ceedings papers 2325-2353); pp. 681-692 (index); 32 figs., 35 pis. 1921. 



2325. Notes on a collection of shells from Trinidad, California. By Eric Knight 



Jordan. Pp. 1-5, 1 pi. Sept. 8, 1920. 



2326. The North American ichneumon-flies of the tribes Lycorini, Polysphinctini, 



and Theroniini. By R. A. Cushman. Pp. 7-48, 5 figs., 1 pi. Sept. 3, 1920. 



2327. A classification of the American operculate land moilusks of the family 



Annulariidae. By John B. Henderson and Paul Bartsch. Pp. 49-82. 

 July 8, 1920. 



2328. Descriptions of some Pleistocene vertebrates found in the United States. 



By Oliver P. Hay. Pp. 83-146, 4 figs., 9 pis. Oct. 12, 1920. 



2329. The chemical composition of hydrotalcite and the hydrotalcite group of 



minerals. By William F. Foshag. Pp. 147-153. Sept. 9, 1920. 



2330. The dipterous genus Zygothrica of Wiedemann. By A. H. Sturtevant. Pp. 



155-158, 1 fig. Sept. 9, 1920. 



2331. The west American moilusks of the families Rissoellidae and Synceratidae, 



and the rissoid genus Barleeia. By Paul Bartsch. Pp. 159-176, 2 pis. Nov. 

 9, 1920. 



2332. New serphidoid, cynipoid, and chalcidoid Hymenoptera. By A. A. Girault. 



Pp. 177-216. Sept. 9, 1920. 



2333. Report on the Mammalia collected by Mr. Edmund Heller during the 



Peruvian Expedition of 1915 under the auspices of Yale University and 

 the National Geographic Society. By Oldfield Thomas. Pp. 217-249, 

 2 pis. Nov. 10, 1920. 



2334. North American ichneumon-flies, new and described, with taxonomic and 



nomenclatorial notes. By R. A. Cushman. Pp. 251-292, 1 fig. Nov. 8, 1920. 



2335. Preliminary diagnoses of new cephalopods from the western Atlantic. By 



S. Stiliman Berry. Pp. 293-300, 1 pi. Nov. 10, 1920. 



2336. New fresh-water shells from Guatemala. By William B. Marshall. Pp. 



301-302, 1 pi. Nov. 13, 1920. 



2337. Some recent accessions to the mineral collections of the United States Na- 



tional Museum. By William F. Foshag. Pp. 303-305, 3 pis. Nov. 13, 1920. 



2338. A small collection of fishes from Soochow, China, with descriptions of two 



new species. By Henry W. Fowler. Pp. 307-321, 2 figs. Nov. 3, 1920. 



2339. Recent accessions in the Division of Applied Geology. By Earl V. Shannon. 



Pp. 323-326. Nov. 10, 1920. 



2340. The North American ichneumon-flies of the tribe Ephialtini. By R. A. 



Cushman. Pp. 327-362, 1 fig., 1 pi. Nov. 10, 1920. 



2341. Notes on the meteorite of Estherville, Iowa, with especial reference to its 



included "peckhamite" and probable metamorphic nature. By George P. 

 Merrill. Pp. 363-370, 3 pis. Nov. 11, 1920. 



2342. Analyses and optical properties of amesitc and corundophilite from Chester, 



Massachusetts, and of chromium-bearing chlorites from California and 

 Wyoming. By Earl V. Shannon. Pp. 371-379. Nov. 10, 1920. 



2343. Additions to West Indian Tertiary decapod crustaceans. By Mary J. Rath- 



bun. Pp. 381-384, 1 pi. Nov. 11, 1920. 



2344. Diptera of the superfamily Tipuloidea found in the District of Columbia, 



By C. P. Alexander and W. L. McAtee. Pp. 385-435, 1 pi. Dec. 7, 1920. 



