PROCEEDINGS 9 



3255. Observations on flatworms and nemerteans collected at Beaufort, N. C. 



By A. S. Pearse. Pp. 25-38, figs. 6-9. October 14, 1949. 



3256. Some Alaskan syrphid flies, with descriptions of new species. By C. L, 



Fluke. Pp. 39-54, figs. 10-11. October 11, 1949. 



3257. Two new gynandromorphs, with a list of previously recorded sexual aber- 



rations in the scolioid wasps. By Karl V. Krombein. Pp. 55-59, pis. 

 1-2. November 16, 1949. 



3258. Fresh-water Ostracoda from Brazil. By Willis L. Tressler. Pp. 61-83, 



figs. 12-14. January 9, 1950. 



3259. The Nearctic species of Gasteruptiidae (Hymenoptera) . By Henry 



Townes. Pp. 85-145, figs. 15-16. April 18, 1950. 

 32G0. Pycnogonida of the United States Navy Antarctic Expedition, 1947-48. 

 By Joel W. Hedgpeth. Pp. 147-160, figs. 17-19. January 23, 1950. 



3261. Copepods from Lake Erh Hai, China. By Sidney C. Hsiao. Pp. 161-200, 



figs. 20-30. April 26, 1950. 



3262. Mosquitoes of the genus Tripteroides in the Solomon Islands. By John N. 



Belkin. Pp. 201-274, figs. 31-37. March 30, 1950. 



3263. A revision of the American clupeid fishes of the genus Harengula, with 



descriptions of four new subspecies. By Luis Rene Rivas. Pp. 275- 

 309, pis. 3-5, figs. 38-41. March 28, 1950. 



3264. Moths of the genus Cincia and three new and closely related genera. By 



William D. Field. Pp. 311-326, pis. 6-9. March 10, 1950. 



3265. Mammals of Northern Colombia. Preliminary report No. 6: Rabbits 



(Leporidae), with notes on the classification and distribution of the 

 South American forms. By Philip Hershkovitz. Pp. 327-375, figs. 

 42-43, May 26, 1950. 



3266. Some bird lice of the genera Acidoprocius and Quadraceps (Neotropical 



Mallophaga Miscellany No. 3). By M. A. Carriker, Jr. Pp. 377-386, 

 figs. 44-45. January 26, 1950. 



3267. A review of the American clupeid fishes of the genus Dorosoma. By Robert 



Rush Miller. Pp. 387-410. March 7, 1950. 



3268. A contribution to the ornithology of northeastern Venezuela. By Herbert 



Friedmann and Foster D. Smith, Jr. Pp. 411-538, pis. 10-12, figs. 46-50. 

 March 10, 1950. 



3269. Some new gastropods of the family Clausiliidae from the Philippine Islands 



and Siam. By F. J. Loosjes. Pp. 539-545, figs. 51-53. November 13, 

 1950. 



3270. Three new species of fishes of the genus Cirrhitiis (family Cirrhitidae) from 



the Indo-Pacific. By Leonard P. Schultz. Pp. 547-552, pi. 13. July 25, 

 1950. 



Volume 101 



Proceedings of the United States National Museum, vol. 101. Pp. i-ix (title page, 

 advertisement, contents, and list of illustrations) ; pp. 1-639 (Proceedings 

 papers 3271-3290 and index) ; 105 figs., 19 pis. March 23, 1954. 



3271. A revision of the beetles of the genus Myochrous. By Doris Holmes Blake. 

 Pp. 1-64, pis. 1-8. December 27, 1950. 



3272. The oceanic crabs of the genera Planes and Pachygrapsus . By Fenner A. 

 Chace, Jr. Pp. 65-103, figs. 1-8. January 30, 1951. 



3273. New marine isopods, chiefly from northern California, with notes on related 

 forms. By Robert J. Menzies. Pp. 105-156, figs. 9-33. February 13, 

 1951. 



