654 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. 



HYBOCRINUS— Continued. 



305.— Wachsrauth and Springer, Amer. Jour. Sci., 3d ser., 26, 1883, p. 365.— 

 Miller, N. A. Geol. Pal., 1889, p. 255.— Bather, Ann. Mag. Nat. Hist., 6th ser., 

 5, 1890, p. 324, pi. 14, fig. 3; Kongl. Sv. Vet. Akad. Handl., 25, No. 2, 1893, 

 p. 21; Geol. Mag., dec. 4, 6, 1889, p. 33, fig. 6; Treatise on Zool., pt. 3, Echino- 

 derma, London, 1900, p. 145, fig. 57, 3. — Wachsmuth, Zittel-Eastman Textb. 

 Pal., 1, 1900, p. 151.— Zittel, Grundzuge Pal., 1910, p. 151.— Grabau and 

 Shinier, N. A. Index Fossils, 2. 1910, p. 500.— Springer, Mem. Geol. Surv. 

 Canada. 15P, 1911, pp. 13-23; Zittel-Eastman Textb. Pal., 2d ed., 1913, 

 p. 211. 



Hybocrincs (Anomalocrinus) Meek and Worthen. See Anomalocrinus Meek. 



Hybocrlnus conlcus Billings. 



Hybocrinus conicus Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, 

 p. 274; Geol. Surv. Canada, dec. 4, 1859, p. 29, pi. 2, figs. 2a, b.— Wetherby, 

 Jour. Cincinnati Soc. Nat. Hist., 3, 1880, p. 153.— Miller, N. A. Geol. Pal., 

 1889, p. 255, fig. 341.— Springer, Mem. Geol. Surv. Canada, 15P, 1911, pi. 4, 

 fig. 6. 



Trenton (Curdsville) : Ottawa, Ontario; Mercer County, Kentucky. 



Hybocrinus? (Anomalocrinus) incurvus Meek and Worthen. See Anomalocrinus 

 incurvTJS. 



Hybocrlnu.s pristinus Billings. 



Hybocrinus pristinus Billings, Geol. Siu-v. Canada, dec. 3, 1858, p. 25, figs, 4, 5; 



dec. 4, 1859, p. 23, pi. 1, fig. 2a. — Grabau and Shimer, N. A. Index Fossils, 



2, 1910, p. 501. 

 Chazyan (Aylmer): Caughnawaga, and Islands of Montreal, Jesus, and Bizard, 



Canada. 



Hybocrinus tumidus Billings. 



Hybocrinus tumidus Billings, Geol. Surv. Canada, Rep. Progr. 1853-56, 1857, 

 p. 275; Geol. Surv. Canada, dec. 4, 1859, p. 28, pi. 2, figs, la-le.— Wetherby, 

 Jour. Cincinnati Soc. Nat. Hist., 3, 1880, p. 153, pi. 5, figs. 2a-c. — Carpenter, 

 Quart. Jour. Geol. Soc. London, 38, 1882, p. 298, fig. A; pi. 11, figs. 3-5.— 

 Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 501, fig. 1812.— Springer, 

 Mem. Geol. Surv. Canada, 15P, 1911, p. 18, pi. 5, figs. 1-5. 



Trenton (Curdsville): Ottawa, Ontario; Woodford and Mercer Counties, Kentucky. 



Hybocysti.s Bather. See Hybocystites Wetherby. 



HTBOCYSTITES Wetherby. Genotype: H. probleraaticus Wethorby. 



Hybocystites Wetherby, Jour. Cincinnati Soc. Nat. Hist., 3, 1880, p. 150. — Car- 

 penter, Quart. Jour. Geol. Soc. London, 38, 1882, p. 308. — Wachsmuth and 

 Springer. Proc. Acad. Nat. Sci. Philadelphia, 1886, pp. 360, 373 (Rev. Pal., pp. 

 186, 199.)— Miller, N. A. Geol. Pal., 1889, p. 256.— Zittel, Grundzuge Pal., 

 1910, p. 151. 



Hybocystis Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 145. — 

 Wachsmuth, Zittel-Ea-^traan Textb. Pal., 1, 1900, p. 152.— Springer, Mem. 

 Geol. Surv. Canada, 15P, 1911, pp. 13-25; Zittel-Eastman Textb. Pal., 1, 

 1913, p. 211. 



Hybocystites eldonensis (Parks). 



Hybocystis rldonensis Parks, Ottawa Nat., 21, 1908, p. 234. pi. 2, fig. 4.— Springer, 



Mem. G(f.l. Surv. Canada, 15P, 1011, p. 13, pi. 2, figs. 1-10. 

 Trenton (CurdsNnlle): Eldon township, Victoria County (near Kirkfield), Ontario. 

 Observation. — Probably the same as H. probleraaticus. 



