150 BULLETIN 193, UNITED STATES NATIONAL MUSEUM 



Proc. 

 No. 



2738. Field notes on vertebrates collected by the Smithsonian-Chrysler East African 



Expedition of 1926. By Arthur Loveridge. Art. 17, pp. 1-69, 4 pis. June 

 20, 1928. 



2739. Two new species of commensal copepods from the Woods Hole region. By 



H. R. Seiwell. Art. 18, pp. 1-5, 2 pis. June 4, 1928. 



2740. New moths of the family Ceruridae (Notodontidae) in the United States 



National Museum. By William Schaus. Art. 19, pp. 1-90. June 27, 1928. 



2741. The Florida tree snails of the genus Liguus. By Charles Torrey Simpson. Art. 



20, pp. 1-44, 1 fig., 4 pis. May 11, 1929. 



2742. Concerning the origin of the metal in meteorites. By George P. Merrill. Art. 



21, pp. 1-7, 3 pis. June 20, 1928. 



2743. Tertiary fossil plants from the Argentine Republic. By Edward W. Berry. 



Art. 22, pp. 1-27, 1 fig., 5 pis. Oct. 17, 1828. 



2744. Notes on American two-winged flies of the family Sapromyzidae. By J. R. 



Malloch. Art. 23, pp. 1-18, 5 figs. June 23, 1928. 



2745. A new pterosaurian reptile from the marine Cretaceous of Oregon. By Charles 



W. Gilmore. Art. 24, pp. 1-5, 2 figs. June 25, 1928. 



Volume 74 



Proceedings of the United States National Museum, vol. 74. Pp. i-xii (title page, 

 advertisement, table of contents, and list of illustrations) ; arts. 1-26 (Proceed- 

 ings papers 2746-2771, paged separately). 1929. 



2746. New Diptera or two-winged flies from South America. By J. M. Aldrich. 



Art. 1, pp. 1-25, 2 figs. Dec. 1, 1928. 



2747. Three new species of two-winged flies of the family Bombyliidae from India. 



By J. M. Aldrich. Art. 2, pp. 1-3. Oct. 26, 1928. 



2748. New fossil pearly fresh-water mussels from deposits on the upper Amazon 



of Peru. By William B. Marshall. Art. 3, pp. 1-7, 1 pi. Oct. 31, 1928. 



2749. Two new nematode worms from rodents. By Emmett W. Price. Art. 4, pp. 



1-5, 2 pis. Nov. 10, 1928. 



2750. Fossil footprints from the Fort Union (Paleocene) of Montana. By Charles 



W. Gilmore. Art. 5, pp. 1-4, 1 fig., 3 pis. Oct. 6, 1928. 



2751. Notes on some Oriental sapromyzid flies (Diptera), with particular reference 



to the Philippine species. By J. R. Malloch. Art. 6, pp. 1-97, 6 pis. Apr. 

 24, 1929. 



2752. A revision of the wood-warbler genus Bas'tleuterus and its allies. By W. E. 



Clyde Todd. Art. 7, pp. 1-95, 1 fig. Apr. 26, 1929. 



2753. Five new parasitic flies reared from beetles in China and India. By J. M. 



Aldrich. Art. 8, pp. 1-7. Oct. 19, 1928. 



2754. Moniezia, a genus of cestode worms and the proposed reduction of its species 



to three. By E. Leonard Taylor. Art. 9, pp. 1-9, 5 pis. Nov. 24, 1928. 



2755. Tropical American Diptera or two-winged flies of the family DoHchopodidac 



from Central and South America. By M. C. Van Duzee. Art. 10, pp. 1-64, 

 2 pis. Feb. 9, 1929. 



2756. Synopsis and description of North American tadpoles. By A. H. Wright. Art. 



11, pp. 1-70, 9 pis. June 4, 1929. 



2757. A new polychaetous annelid of the genus Phyllodoce from the west coast of 



Costa Rica. By Aaron L. Treadwell. Art. 12, pp. 1-3, 3 figs. Nov. 10, 1928. 



2758. Tschermigite, ammoniojarosite, epsomite, celestite, and paligorskite from south- 



ern Utah. By Earl V. Shannon. Art. 13, pp. 1-12, 1 fig. Jan. 31, 1929, 



2759. New fossil moUusks from the Miocene of Virginia and North Carolina, with 



a brief outline of the divisions of the Chesapeake group. By Wendell C. 

 Mansfield. Art. 14, pp. 1-11, 5 pis. Jan. 14, 1929. 



2760. The fossil crinoid genus Fasocriiius Lyon. By Edwin Kirk. Art. 15, pp. 1-16, 



2 pis. Jan. 29, 1929, 



2761. A revision of the North American ichneumon-flies of the genus Mesostenus and 



related genera. By R. A. Cushman. Art. 16, pp. 1-58, 8 figs. Feb. 20, 1929. 



