712 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Leptiena rlchmondensls — Continued. 



Stroi)homena tenui.striata Safford, Gool. Tennessee, 18G9, p. 275, fig. 2. 



Strophomena rhomboidalin Meek, Pal. Ohio, 1, 1873, p. 75, pi. 5, fig. G. — Miller, 

 Jour. Cincinnati Soc. Xat. Ilist., 4, 1881, p. 1. 



Strophomena tenuLstriatJ, Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 55. — 

 Hall, 2d Ann. Rep. New York State Geol., 1883, pi. 38, figs. 12-16.— Lesley, 

 Geol. Surv'. Pennsylvania, Rep. P 4, 1890, p. 1134, figs. 



Leptaena rhomboidalis Cumings, 32d Ann. Rep. Dep. Geol. and Xat. Res. Indiana, 



1908, p. 909, pi. 34, figs. 5-5d. 



Leptaena richmondensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 211, 



pi. 4, figs. 10a, b; ibid., 17, 1912, p. 117, pi. 1, figs. Ga-c. 

 Richmond : Ohio, Indiana, Kentucky, and Tennessee. 



Leptsena richmoridensis precursor Foerste. 



Leptxena richmondensis precursor Foerste, Bull. Sci. Lab. Denison Univ., 14, 



1909, p. 211, pi. 4, fig. 11; Ohio Nat., 12, 1912, p. 453, pi. 22, fig. 7. 

 Richmond (Amheim) : Amheim and other localities in Ohio and Kentucky. 



Lept.«;na rugos.\ James. See Plectambonites rugosa. 



LEPT.ENA SAXEA Sardeson. See Plectambonites saxea. 



Leptjena sekicea Sowerby. See Plectambonitea sericeus. 



Leptaena seiucea var. rugosa Meek. See Plectambonites rugosa. 



Lept2Ena sordida Billings. See Leptella sordida. 



Leptieua(?j stelzneri Kayser, 



Leptivna stclzneri Kayser, Palseontographica, Suppl., 3, 1876, p. 21, jd. 3, fig. 21. — 



Schuchert, Bull.U. S. Geol. Surv., 87, 1897, p. 241. 

 Ordovician: Guaco, Argentina. 



LEPT.a;NA strlvta Hall. See Strophonella striata. 

 Lept^na siJBPii.\3rA Hall. See Schuchertella subplana. 

 Lept^na subquadr-Vta Hall. See Christiania subquadrata. 

 Lept^na subtenta Hall. See Strophomena planumbona subtenta. 

 Lept^na subtexta (part) Hall. See Strophomena trentonensis. 

 Lept^ena sulcata Vemeuil. See Strophomena sulcata. 

 Lept.«;na tenuilineata Hall. See Rafinesquina tenuilineata. 



LeptsDna tenulstrlata Sowerby. 



Lepta?na tenuistriata Sowerl)y in Murchison's Sil. Syst., 2, 1839, p. G36, pi. 22, 

 fig. 2a.— Focrsto. Bull. Sci. Lai). Denison Univ., 16, 1910, p. 45, pi. 5, fig. 9. 

 Caradoc sandstone: Montgonu'rynhirc, I^ngland. 

 Trenton (Hermitage): Clifton, Tennessee. 



LEPTiENA tenuistrl^t.v Hall. Sec Lcjjtoena richmondensis. 



Leptaena tuansvehsalis Hall. See Plectambonitea transversalis. 



Lept.«n\ tkansversaus var. aladamensis Foerste. See Plectambonit's transver- 

 sal is alabanionsis. ' 



