BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 655 



Hybocystites problematlcus Wetherby. 



Hybocystites problematlcus Wetherby, Jour. Cincinnati Soc. Xat. Hist., 3, 1880, 



p. 150, pi. 5, ^gs. la-c. — Carpenter, Quart. Jour. Geol. Soc. London, 38, 1882, 



p. 307, pi. 11, figs. 6-24.— Miller, N. A. Geol. Pal., 1889, p. 256, fig. 342. 

 Hybocystis problematlcus Bather, Treatise on Zool., pt. 3, Echinoderma, London, 



1900, p. 95, fig. 1.— Parks, The Ottawa Nat., 21, 1908, p. 232, pi. 2, figs. 



1-3, 5.— Springer, Mem. Geol. Surv. Canada, 15P, 1911, p. 21 (under H. 



eldonensis); pi. 2, figs. 11, 12. 

 Trenton (Curdsville): Mercer and Woodford Counties, Kentucky; Kirkfield, 



Ontario. 



Hyt)rol;enus conifrons Salter. See Illsenus conifrons. 



HTOLITHELLUS Billings. Genotype: Hyolithes micans Billings. 



Hyolithellus Billings, Canadian Nat. Geol., n. e., 6, 1871, p. 240; Amer. Jour. 



Sci., 3d ser., 3, 1872, p. 360.— Walcott, Bull. U. S. Geol. Surv., 30, 1886, p. 



141.— Miller, N. A. Geol. Pal., 1889, p. 391.— Matthew, Trans. Roy. Soc. 



Canada, 2d ser., 5, sec. 4, 1899, p. 107. 



Hyolithellus papillatus Walcott. 



Hyolithellus papillatus Walcott, Smiths. Misc. Coll., 57, 1912, p. 267, pi. 43, figs. 

 3, 4. 



Upper Cambrian or Ozarkian (Potsdam) : Marble River, near Chateaugay, Frank- 

 lin County, New York. 



Holofype.— Cat. No. 58553, U.S.N.M. 



HYOLITHES Eichwald. Genotype: H. acutus Eichwald. 



Hyolithes Eichwald, Sil. Sch. Syst., Ehstland, 1840, p. 97.— Barrande, Syst. Sil. 

 du Centre Boheme, 3, 1867, p. 55. — Billings, Canadian Nat., n. s., 6, 1871, 

 p. 213.— Ford, Amer. Jour. Sci., 3d ser., 1, 1871, p. 472; 3, 1872, p. 352.— 

 Kayser, Beitr. Geol. Pal. Argent. Repub., Pal. Suppl., 3, 1876, p. 8.— Hall, 

 Pal. New York, 5, pt. 2, 1879, p. 191.— Waagen, Mem. Geol. Surv. India, Pal. 

 Indica, 13th ser., 1, 1880, p. 175.— Zittel, Handb. Pal., 2, 1882, p. 316.— 

 Koninck, Ann. d. Mus. Roy. d'Hist. Nat. de Belgique, 8, 1883, p. 223.— 

 Matthew, Trans. Roy. Soc. Canada, 3, sec. 4, 1886, p. 45.— Walcott, Bull. 

 U. S. Geol. Surv., 30, 1886, p. 131.— Remele, Zeits. d. d. geol. Gesell., 41, 

 1889, p. 762.— Miller, N. A. Geol. Pal., 1889, p. 391.— Matthew, Canadian 

 Rec. Sci., 5, 1893, pp. 435^36, 437.— Holm, Sveriges Geol. Unders., ser. C, 

 No. 112, 1893, p. 6, 9, 13, 45, 151.— Matthew, Canadian Rec. Sci., 5, 1893, p. 

 433.— Koken, Die Leitfossilien, Leipzig, 1896, p. 98, fig. 77; p. 400.— Mat- 

 thew, Trans. Roy. Soc. Canada, 2d ser., 7, sec. 4, 1901, p. 93. — Cumings, 32d 

 Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 950. 



Hyolithes baconi Whitfield. 



Hyolithes Baconi \Vhitfield, Ann. Rep. for 1877, Wisconsin Geol. Surv., 1878, p. 

 77; Geol. Wisconsin, 4, 1882, p, 225, pi. 6, figs. 9-11.— Chamberlin, Geol. 

 Wisconsin, 1, 1883, p. 158, fig. 

 Black River (Platteville): Beloit, etc., Wisconsin; Minnesota. 



Hyolithes cliftonensis Foerste. 



Hyolithes cliftonensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 62, pi. 



3, figs. 38a, b. 

 Clinton (Osgood): Clifton, Tennessee. 



Hyolithes(?) dubius Miller and Faber. 



Hyolithes(?) dubius Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 17, 1894, 



p. 155, pi. 8, fig. 23. — Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 



1908, p. 964, pi. 42, fig. 3. 

 Richmond: Versailles, Indiana. 



