

BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 655 



Hybocystltes problematicus Wetherby. 



Hybocystites problematicus Wetherby, Jour. Cincinnati Soc. Nat. Hist., 3, 1880, 



p. 150, pi. 5, figs, 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 problematicus 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. 



HYDROI^ENUS CONIFRONS Salter. See Illaenus conifrons. 



HYOLITHELLUS Billings. Genotype: Hyolithes micans Billings. 



Hyolithellus Billings, Canadian Nat. Geol., n. s., 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 paplllatus 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. 



Holotype.Csit. 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. 435-436, 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 baconl Whitfield. 



Hyolithes Baconi Whitfield, 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 cllftonensis Foerste. 



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



3, figs. 38a, b. 

 Clinton (Osgood): Clifton, Tennessee. 



Hyollthes(?) dublus 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. 



