BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 697 



Leperditella? obscura (Jones). 



Leperditia? obscura Jones, Cont. Micro-Pal., Geol. Surv. Canada, pt. 3, 1891, p. 



71, pi. 10, figs. 15a-c. 



Leperditella? obscura Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 637. 

 Trenton: Falls of Lorette, Quebec. 



Leperditella ornata Weller. 



Leperditella ornata Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 209, pi. 13, 



figs. 13-15. 

 Trenton: Near Iliff's Pond, two miles southeast of Newton, New Jersey. 



Leperditella persimllls Ulrich. 



Leperditella persimilis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 637, pi. 43, 



figs. 4-6. 



Leperditia persimilis Miller, N. A. Geol. Pal., 2d App., 1897, p. 788 (gen. ref.). 

 Black River (Decorah): Minneapolis, Minnesota. 

 Holotype.Czt. No. 41308, U.S.N.M. 



Leperditella sulcata (Ulrich). 



Leperditia sulcata Ulrich, Amer. Geol., 10, 1892, p. 266, pi. 9, figs. 19-21. 

 Leperditella sulcata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 636, fig. 46j. 



Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 23, fig. 14. 

 Black River (Lowville) : High Bridge,, Kentucky; Tennessee; Virginia. 

 Holotype.Csit. No. 41313, U.S.N.M. 



Leperditella sulcata ventricornis Ulrich. 



Leperditella sulcata var. ventricornis Ulrich, Amer. Geol., 10, 1892, p. 266, pi. 9, 



figs. 22, 23; Geol. Minnesota, 3, pt. 2, 1894, p. 636, fig. 46k. 

 Black River (Lowville): High Bridge, Kentucky. 

 HolotypeCa.t. No. 41314, U.S.N.M. 



Leperditella tumid a (Ulrich). 



Leperditia tumida Ulrich, Amer. Geol., 10, 1892, p. 264, pi. 9, figs. 1-3. 

 Leperditella tumida Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 636. Bassler, 



Bull. Virginia Geol. Surv., 2a, 1909, pi. 23, fig. 13. 

 Black River (Lowville) : High Bridge, Kentucky; Tennessee; Virginia. 

 HolotypeCat. No. 41310, U.S.N.M. 



LEPERDITIA Rouault. Genotype: L. brittanica Rouault. 



Leperditia Rouault, Bull. Soc. Geol. France, 2d ser., 8, 1851, p. 377. Jones. Ann. 

 Mag. Nat. Hist., 2d ser., 1856, p. 84; Monthly Microsc. Jour., 4, 1870, pp. 

 188-190. Barrande, Syst. Sil. du Centre Boheme, 1 Suppl., 1872, p. 523. 

 Schmidt, Mem. PAcad. Imp. Sci. St. Petersburg, 21, 1873. Miller, Cincin- 

 nati Quart. Jour. Sci., 1, 1874, p. 121. Alth, Anhandl. geol. Reichsanstalt, 7, 

 Heft 1, 1874, p. 66. Nicholson and Lydecker, Man. Pal., 1, 1879, p. 506. 

 Jones, Ann. Mag. Nat. Hist., 5th ser., 8, 1881, p. 334. Schmidt, Mem. 1'Acad. 

 Imp. Sci. St. Petersburg, 31, 1883. Vine, Proc. Yorkshire Geol. Polyt. Soc., 

 n. s., 8, 1884, p. 234. Zittel, Handb. Pal., 2, 1885, p. 551. Jones and Kirkby, 

 Proc. Geol. Assoc., 9, 1887, p. 503. Nicholson and Lydecker, Man. Pal., 1, 

 1879, p. 506. Miller, N. A. Geol. Pal., 1889, p. 552 Vogdes, Ann. New 

 York Acad. Sci., 5, 1889, p. 23, pi. 2, fig. 17. Miller, N. A. Geol. Pal., 1st 

 App., 1892, p. 708. Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 633. Koken, 

 Die Leitfossilien, 1896, p. 40. Grabau, Bull. Buffalo Soc. Nat. Sci., 6, p. 307; 

 ibid., 7, 1901, p. 218. Ulrich, Zittel's Textb. Pal. (Amer. ed.), 1900, p. 

 643. Grabau, Bull. New York State Mus., 45, 1901, p. 218. Cumings, 32d 

 Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1041. Grabau and Shimer, 

 N. A. Index Fossils, 2, 1910, p. 339. Bassler, Zittel-Eastman Textb. Pal., 

 2ded. ; 191b, p. 737. 



