1226 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



STROPHOMENA— Continued. 



Strophomena Blainville, Man. Malacol. et Conch., 1, 1825, p. 513, pi. 53, fig. 2.— 

 De France, Diet. Sci. Nat., 51, 1827, p. 151, and atlas. — King,Mon. Per. Foss., 

 Pal. Soc, 1850, p. 103.— Emmons, Amer. Geology, 1, pt. 2, 1855, pp. 186, 

 197.— Billings, Canadian Nat. Geol., 1, 1856, p. 133.— Pictet, Traite de Pal., 

 2d ed., 4, 1857, p. 58. — Chapman, Canadian Jour., n. s., 3, 1858, p. 161; ibid., 

 7, 1862, p. 112; Expos. Min. Geol. Canada, 1864, p. 115.— Meek (part), Pal. 

 Ohio, 1, 1873, p. 73.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 51.— 

 Zittel, Handb. Pal., 1, 1880, p. 677.— Winchell, 9th Ann. Hep. Geol. Nat. 

 Hist. Surv. Minnesota, 1881, p. 118.— (Ehlert, Fischer's Manuel Conch., 1887, 

 p. 1281.— Miller, N. A. Geol. Pal., 1889, p. 381.— Beecher, Amer. Jour. Sci., 

 3dser., 44, 1892, pp. 145, 147.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, 

 p. 245.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 384.— Hall and 

 Clarke, 11th Ann. Pep. New York State Geol., 1894, p. 283.— Koken, Die 

 Leitfossilien, Leipzig, 1896, p. 237, fig. 198, 7, 8.— Nickles, Amer. Geol., 32, 

 1903, p. 214.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 222.— 

 Cumings, 32d Ann. Pep. Dep. Geol. Nat. Pes. Indiana, 1908, p. 894. — Schu- 

 chert, Zittel-Eastman Textb. Pal., 1900, p. 314; 2d. ed., 1913, p. 387. 



Hemipronites Meek and Hayden, Pal. Upper Missouri, Smiths. Contr. Ivnowl., 

 14, 172, 1864, p. 24.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 41. 



Strophomena acanthoptera "Whiteaves. See Stropheodonta acanthoptera. 



Strophomena acuta (Winchell and Schuchert). 



Strophomena neglecta var. acuta Winchell and Schuchert, Geol. Minnesota, 3, 



1893, p. 388, pi. 31, figs. 6, 7. 

 Strophomena acuta Foerste, Bull. Sci. Lab. Denison Univ., 17, 1912, p. 115, pi. 



7, figs. 3a-d; pi. 9, figs. 13a, b. 

 Richmond (Maquoketa): Spring Valley, Minnesota. 



Strophomena alternata Conrad. See Rafinesquina alternata. 



Strophomena alternata var. alternistriata Miller. See Rafinesquina alternata 

 alternistriata. 



Strophomena alternata var. practa Meek. See Rafinesquina alternata fracta. 



Strophomena alternata var. loxorhytis Meek. See Rafinesquina alternata 

 loxorhytis. 



Strophomena alternata var. nasuta Miller. See Rafinesquina nasuta. 



Strophomena alterniradiata Shaler. See Schuchertella alterniradiata. 



Strophomena analoga Davidson. See Leptaena rhomboidalis. 



Strophomena anqulata? Owen. See Rafinesquina alternata. 



Strophomena(?) antiquata Sowerby. 



Strophomena antiquata Sowerby, Murchison's Silurian System, 1839. — Billings, 



Pal. Fossils, 1, 1862, p. 129, fig. 107. 

 Silurian: Europe; Prinsta Bay, East Point, etc., Anticosti (Charleton — Jupiter 

 River); Forks of the Chatts River, Gaspe. 



Strophomena approximata James. See Strophomena vetusta approximata. 



Strophomena arcuata Shaler. See Strophomena semiovalis. 



