BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 697 



Leperdltella? obscura (Jones). 



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



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

 Leperdltella? obscura Ulrich, GeoL Minnesota, 3, pt. 2, 1894, p. 637. 

 Trenton: Falls of Lorette, Quebec. 



Leperdltella ornata Weller. 



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



figs. 13-15. 

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



Leperdltella persimills Ulrich. 



Leperdltella persimills 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.— Cat. No. 41308, U.S.N.M. 



Leperdltella sulcata (Ulrich). 



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

 Leperdltella 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— Cat. No. 41313, U.S.N.M. 



Leperdltella sulcata ventrlcornis Ulrich. 



Leperdltella sulcata var. ventrlcornis 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. 

 Holotype.— Cat. No. 41314, U.S.N.M. 



Leperdltella tumlda (Ulrich). 



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

 Leperdltella tumlda 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. 

 Holotype.— Cat. No. 41310, U.S.N.M. 



LEPERDITIA Rouault. Genotype: L. brittanlca 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. Sll. du Centre Boheme, 1 Suppl., 1872, p. 523.— 

 Schmidt, Mem. I'Acad. Imp. Sci. St. Petersburg, 21, 1873.— Miller, Cincin- 

 nati Quart. Jour. Sci., 1, 1874, p. 121. — Alth, Anhandl. geol. Relchsanstalt, 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. I'Acad. 

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

 n. s., 8, 1884, p. 234.— Zlttel, Handb. Pal., 2, 1885, p. 551.— Jones and Klrkby, 

 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., Ist 

 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. — Gral)au and Shimer, 

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

 2ded.. 191b, p. 737. 



