708 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Lepocrinites manlius Schuchert. 



Lepocrinites manlius Schuchert, Smiths. Misc. Coll., 47, 1904, p. 214, pi. 37, figs. 



2, 3; pi. 39, figs. 15, 16; text fig. 23; Maryland Geol. Surv., Low. Dev., 1913, 



p. 231, pi. 32, figs. 8, 9; pi. 35, figs. 15,16. 

 Helderbergian (Keyser): Keyser, West Virginia. 

 Holotype.Czt. No. 35062, U.S.N.M. 



LEPOCRINITES MOOREI Meek. See Lepadocystis moorei. 

 LEPOCRINUS Hall. See Lepocrinites Conrad. 



LEPTJENA Dalman. 



Genotype: Productus rugosa Hisinger=Conchita rhomboidalis Wilckens. 



Leptaena Dalman, Kongl. Svenska Vet.-Akad. Handl., for 1827, 1828, pp. 93, 

 94. King, Mon. Permian Foss., Pal. Soc., 1850, p. 104. Billings, Canadian 

 Nat. Geol., 1, 1856, p. 133. Pictet, Traite" de Pal., 2d ed., 4, 1857, p. 60. 

 Miller, Cincinnati Quart. Jour. Sci., 2, 1875, Jan., p. 56. Zittel, Handb. 

 Pal., 1, 1880, p. 678. Winchell, 9th Ann. Rep. Geol. Nat. Hist. Surv. Minne- 

 sota, 1881, p. 118. Miller, N. A. Geol. Pal., 1889, p. 347. Beecher, Amer. Jour. 

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

 1892, p. 276. Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 409. 

 Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 277. Koken, 

 Die Leitfossilien, Leipzig, 1896, p. 237, fig. 198, 4-6. Schuchert, Zittel- 

 Eastman Textb. Pal., 1, 1900, 313. Grabau, Bull. New York State Mus., 

 45, 1901, p. 180; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 180. Grabau and 

 Shimer, N. A. Index Fossils, 1, 1907, p. 225. Cumings, 32d Ann. Rep., Dep. 

 Geol. Nat. Res. Indiana, 1908, p. 889. Schuchert, Zittel-Eastman Textb. 

 Pal., 1913, p. 384. 



Leptagonia McCoy, Carb. Foss. Ireland, 1844, p. 116, figs. 11-13. D'Orbigny, 

 Compt. Rend, de 1'Acad. Sci., 25, 1847, p. 267. McCoy, British Pal. Rocks 

 and Foss., 1854, p. 247. Zittel, Handb. Pal., 1, Munich, 1880, p. 678 

 Winchell, 9th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1881, p. 118. 

 Koken, Die Leitfossilien, Leipzig, 1896, p. 237, fig. 198, 4-6. 



Plectambonites Oehlert, Fischer's Manual Conch., 1887, p. 1283. 



LEPTJSNA ALTERNATA Conrad. See Rafinesquina alternata. 



LEPT^ENA ALTERNISTRIATA Hall. See Rafinesquina alternata alternistriata. 



LEPTAENA ASPERA James. See Plectambonites rugosa. 



LEPT^NA BARABUENSIS Whitfield. See Syntrophia barabuensis. 



LEPTAENA BIPARTITA Hall. See Stropheodonta (Leptostrophia) bipartita. 



LEPT.ENA CAMERATA Hall. See Rafinesquina deltoidea. 



Leptaena charlottse Winchell and Schuchert. 



Leptsena charlottse Winchell and Schuchert, Amer. Geol., 9, April 1, 1892, p. 288; 



Geol. Minnesota, 3, 1893, p. 410, pi. 32, figs. 1-5. 

 Strophomena halli Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, April 9, 1892, 



p. 334, pi. 4, figs. 36-38. 

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



LEPT^JXA CORRUGATA Hall. See Stropheodonta corrugata and S. corrugata pleu- 

 ristriata. 



LEPTAENA DECIPIENS Billings. See Leptella decipiens. 



DEFLECTA Hall. See Dinorthis (Plsesiomys) deflecta. 



