1234 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Strophomena*recta Billings. See Strophomena billingsi. 



Strophomena recta Conrad. See Dinorthis (Plsesiomys) deflecta. 



Strophomena reticulata Shaler. See Leptsena reticulata. 



Strophomena rhomboidalis Billings. See Leptsena rhomboidalis. 



Strophomena rhomboidalis Meek. See Leptasna richmondensis. 



Strophomena rugosa Safford. See Leptsena rhomboidalis. 



Strophomena rugosa (Rafinesque). Not recognized. 



Strophomena rugosa (Rafinesque) Blainville, Malacol. Conch., 1, 1825, p. 513, pi. 

 53, figs. 2, 2a.— King, Mon. Permian Fossils, Pal. Soc, 1850, p. 103.— Hall and 

 Clarke, Pal. New York, 8, pt. 1, 1892, p. 247, figs. 13, 14— Foerste, Bull. Sci." 

 Lab. Denison Univ., 17, 1912, p. 87. 

 Strophomenes rugosa De France, Diet, des Sci. Nat., 1, 1827, p. 151, and atlas. 

 Silurian: North America. 

 Observation. — See Hall and Clarke [1892] and Foerste [1912] for discussion of 

 this species. 



Strophomena rugosa of authors. See Strophomena planumbona. 



Strophomena rugosa var. subtenta Grabau and Shimer. See Strophomena 

 planumbona subtenta. 



Strophomena scofleldi Winchell and Schuchert. 



Strophomena scofleldi Winchell and Schuchert, Amer. Geol., 9, April 1, 1892, p. 



286; Geol. Minnesota, 3, 1893, p. 398, pi. 31, figs. 18-21. 

 Streptorhynchus subsulcatum Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 



April 9, 1892, p. 335, pi. 4, fig. 39. 

 Trenton (Prosser): Cannon Falls, Minneapolis, and St. Paul, Minnesota; Beloit, 



Wisconsin. 



Strophomena (Strophodonta?) semipasciata Hall. See Strophonella semifasciata. 



Strophomena semiovalis Vanuxem. See Plectambonites sericeus. 



Strophoniena(?) semiovalis Shaler. 



Strophomena semiovalis Shaler, Bull. Mus. Comp. Zool., 1, 1865, p. 61. 

 Strophomena arcuata Shaler, ibid., p. 62. 

 Gamachian (Ellis Bay): Ellis Bay, Anticosti. 



Strophomena septata Winchell and Schuchert. 



Strophomena septata Winchell and Schuchert, Amer. Geol., 9, 1892, p. 285; 



Geol. Minnesota, 3, 1893, p. 390, pi. 30, figs. 1-3. 

 Black River (Decorah): St. Paul, Minneapolis, and Rochester, Minnesota. 



Strophomena sericea Conrad. See Plectambonites sericeus. 



Strophomena(?) silnriana Davidson. 



Strophomena siluriana Davidson, British Sil. Brach., Pal. Soc, 1871, p. 303, pi. 

 47, figs. 1-4.— Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 597. 

 Silurian: England; Cape Leidy, lat. 79° 38 / , Arctic America. 



Strophomena sinuata James. 



Strophomena sinuata James, Cat. Foss. Cincinnati Group, 1871, p. 9 (nom. nud.). — 

 Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 251.— Cumings, 32d Ann. 

 Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 941, pi. 38, figs. 2-2e— Foerste, 

 Bull. Sci. Lab. Denison Univ., 17, 1912, p. 57, pi. 1, figs. 3a-c. 



