GOG BULLETIX 92, UNITED STATES NATIONAL MUSEUM. 



HEMICTSTITES— Contimied. 



Cystaster ITall, 24th Rep. New York State Cab. Nat. Hist., 1872, footnote, pi. 6 

 (adv. sheets 1871). — Jaekel, Stammes. Pelraat., 1, Thecoidea v.. Cystoidea, 

 Berlin, 1899, p. 43. — Bather, Treatise on Zool., pt. 3, Eclunoderma, London, 

 1900, p. 207, fig. 2. (Genotype: Ilemicystites granulatus Hall.) 



Thecocjstis Jaekel, Stammes. Pelmat., 1, Thecoidea u. Cystoidea, Berlin, 1899, 

 p. 43. (Genotype: T. sacculus Jaekel.) 



Hemlcystltes bllUngsI (Chapman). 



Agelacrinns billingsi Chapman, Canadian Jour., 5, 1860, pp. 358, 204. 

 Hemicystites (Agelacrinites) Billingsii Sladen, Q art. Jour. Geol. Soc, 35, 1879, 



p. 750. 

 Agelacrinites Billingsi Chapman, Ann. Mag. Nat. Hist., 3d ser., 6, 18G0, p. 157, 



fig. — Billings, Canadian Jour., n. s., 6, 18G1, p. 516, fig. 86. — Chapman, ibid., 



n. s., 8, 1863, p. 199, fig. 180; Expos. Min Geol. Canada, 1864, p. 110, fig. 86; 



p. 171, fig. ISO. 

 Hemicystites Billingsi Jaekel, Stammes. Pelmat., 1, Thecoidea u. Cystoidea, 



Berlin, 1899, p. 49 (gen. ref.). 

 Trenton (?Curdsville): Peterboro, Ontario. 



Hemicystites carnensis Foerste. 



Hemicystites carnensis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 455, 



pi. 3, fig. 2. 

 Trenton (Upper): Camtown, Kentucky. 



Hemicystites (Cystaster) granulatus Hall. 



Hemicystites (Cystaster) granulatr.s Hall, 24th Rep. New York State Cab. Nat. 

 Hist., 1872, pi. 6, figs. 1-4 (adv. sheeta 1871).— Meek, Geol. Surv. Ohio, Pal., 



1, 1873, p. 54, pi. 3, figs. 9a, b. 



Hemicystites granulatus Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 473, 



fig. 1784c. 

 Hemicystis granulata Haeckel, Amphorideen u. Cystoideen, Leipzig, 1896, p. 



p. 112, pi. 3, figs. 27, 28. 

 Thecocystis sacculus Jaekel, Stammesges. Pelmat., 1, 1899, p. 43, pi. 1, figs, la, b. 

 Cystas I cr granulatus Jaekel, ibid., p. 44, pi. 1, fig. 2. — Bather, Treati.se on Zool., 



pt. 3, Eclunoderma, London, 1900, p. 206, fig. 2.— Foerste, Bull. Sci. Lab. 



Denison Univ., 17, 1914, pi. 6, fig. 5. 

 Maysville (Fairmount): Cincinnati, Ohio, and vicinity. 



Hemicystites parasiticus Hall. 



Hemicystites parasitica Hall, Pal. New York, 2, 1852, p. 246, pi. 51, figs. 18-20.— 

 Pictet,TraitedePal., 2ded., 4, 1857, p. 305, pi. 99, fig. 25.— Meekand Worthen, 

 Proc. Acad. Nat. Sci. Philadelphia, 1868, footnote, p. 357.-^aekel, 

 Stammes. Pelmat., 1, Thecoidea u. Cystoidea, 1899, Berlin, p. 49. 



Agelacrinus parasitica Hall, 12th Rep. New York State Cub. Nat. Hist.. 1859, p. 

 81 (gen. ref.). 



Clinton (Rochester): Lockport, New York. 



Hemicystites stellatus Hall. 



Hemicystites stellatus Hall, 24th Rep. New York State Cab. Nat. Hist., 1871, pi. 



2, fig. 5, 6.— Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 52. pi. 3. figs. 8a, b.— 

 Miller, N. A. Geol. Pal., 1889, p. 252, fig. 328.— Jaekel, Stammes. Pelmat., 1. 

 Thecoidea u. Cystoidea, Berlin, 1899, p. 49. — Grabau and Shimer, N. A. 

 Index Fossils, 2, 1910, p. 473. fig. 1784a.— Foerste, Bull. Sci. Lab. Denison 

 Univ.. 17. 1914. pi. 6. fig. 6. 



