150 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1951 



Report of the Secretary of the Smithsonian Institution and financial report 

 of the executive committee of the Board of Regents for the year ended June 30, 

 1950. Ix+161 pp., 2 pis, (Publ. 4020.) 



SPECIAL PUBLICATIONS 



Brief guide to the Smithsonian Institution. 8th edition. 80 pp., illus. [Mar. 

 1, 1951.] 



The Smithsonian Institution: A description of its work. 166 pp. January 

 1951. 



PUBLICATIONS OF THE UNITED STATES NATIONAL MUSEUM 



John S. Lea was appointed editor of the National Museum on 

 November 13, 1950. The Museum issued during the year 1 Annual 

 Eeport, 19 Proceedings papers, 4 Bulletins, and 2 papers in the Con- 

 tributions from the United States National Herbarium, as follows : 



ANNUAL REPORT 



Report on the progress and condition of the United States National Museum 

 for the year ended June 30, 1950. iii+141 pp. Jan. 10, 1951. 



PROCEEDINGS I VOLUME 98 



Title page, table of contents, list of illustrations, and index. Pp. i-xi, 528-553. 

 Apr. 17, 1951. 



proceedings: volume loo 



No. 8269. Some new gastropods of the family Clausiliidae from the Philip- 

 pine Islands and Siam, by F. J. Loosjes. Pp. 539-545, figs. 51-53. Nov. 13, 1950. 



No. 3270. Three new species of fishes of the genus Cirrhitus (family Cir- 

 rhitidae) from the Indo-Paciflc, by Leonard P. Schultz, Pp. 547-552, pi. 13. 

 July 25, 1950. 



proceedings: volume loi 



No. 3271. A revision of the beetles of the genus Myochrous, by Doris Holmes 

 Blake. Pp. 1-64, pis. 1-8. Dec. 27, 1950. 



No. 3272. The oceanic crabs of the genera Planes and Pachygrapstts, by 

 Fenner A. Chace, Jr. Pp. 65-103, figs. 1-8. Jan. 30, 1951. 



No. 3273. New marine isopods, chiefly from northern California, with notes 

 on related forms, by Robert J. Menzies. Pp. 105-156, figs. 9-33. Feb. 13, 1951. 



No. 3274. The helminth parasites of birds, III : Dicrocoeliid trematodes from 

 North American birds, by J. Fred Denton and Elon E. Byrd. Pp. 157-202, figs. 

 34-40. Mar. 6, 1951. 



No. 3275. The mites of the subfamily Haemogamasinae (Acari : Laelaptidae), 

 by Hugh L. Keegan. Pp. 203-268, figs. 41-55. Feb. 2, 1951. 



No. 3276. A new Caribbean coral of the genus Chrysogorgia, by Frederick M. 

 Bayer. Pp. 269-273, figs. 56, 57, pi. 9. Feb. 13, 1951. 



No. 3277. Revision of the North American grasslioppers of the Conalcaea com- 

 plex, by Ashley B. Gurney. Pp. 27&-304, figs. 58-65, pis. 10, 11. Feb. 2, 1951. 



No. 3278. Fleas from the Upper Sonoran zone near Albuquerque, N. Mex., by 

 Lelia Ann Williams and C. Clayton Hoff. Pp. 305-313, fig. 66. Jan. 22, 1951. 



No. 3279. Some digenetic trematodes, including eight new species, from ma- 



