936 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Palseocrinus pulchellus Billings. 



Palaeocrinus pulchellus Billings, Geol. Surv. Canada, dec. 4, 1859, p. 46. 

 Cyathocrinus pulchellus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1879, p. 310 (Rev. Pal., pt. 1, p. 87). 

 Trenton (Curdsville): Ottawa, Ontario. 



Palaeocrinus rhouibiferus Billing?. 



Palaeocrinus rhombiferus Billings, Geol. Surv. Canada, dec. 4, 1859, p. 45. 

 Cyathocrinus rhombiferous Wachsmuth and Springer, Proc. Acad. Nat. Sci. . 



Philadelphia, 1879, p. 310 (Rev. Pal., pt. 1, p. 87). 

 Trenton (Curdsville): Ottawa, Ontario. 



Palaeocrinus striatus Billings. 



Palseocrinus striatus Billings, Geol. Surv. Canada, dec. 4, 1859, p. 25, pi. 1, figs. 

 5a, 5b— Miller, N. A. Geol. Pal., 1889, p. 267, figs. 383, 384.— Hudson, Bull. 

 New York State Mus., 149, 1911, pi. 5-6, figs. 1-4; figs. 4-10, 12-19. 



Cyathocrinus striatus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadel- 

 phia, 1879, p. 310 (Rev. Pal., pt, 1, p. 87), (gen. ref.). 



Chazyan (Aylmer): Caughnawaga and Island of Montreal, Canada. 



Palseocrinus sulcatus Safford. 



Palaeocrinus sulcatus Safford, Geol. Tennessee, 1869, p. 286. (Not defined.) 

 Stones River (Pierce): Central Tennessee. 



PALiEOCYCLUS Edwards and Haime. Genotype: P. porpita (Linnaeus). 



Palseocyclus Edwards and Haime, Compt. Rend, de l'Acad. Sci., 29, 1849, p. 70; 

 Mon. Polyp. Eoss. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat,, 5), p. 203 — 

 Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 47— Duncan, Phil. Trans. 

 Roy. Soc. London, 157, 1867, p. 651, pi. 32, figs. 6a-e; Proc. Roy. Soc. 

 London, 1867, p. 460.— Dybowski, Archiv. f. Naturf. Liv.-Ehst. und Kurb, 

 5, 1873, pp. 334, 360— Zittel, Handb. Pal., 1, 1879, p. 227— Roemer, Leth. 

 geog., pt. 1, Leth. Pal., 1883, p. 345— Miller, N. A. Geol. Pal., 1889, p. 199 — 

 Sherzer, Amer. Geol., 7, 1891, pp. 278-283.— Koken, Die Leitfossilien, 

 Leipzig, 1896, p. 308.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, 

 p. 64.— Zittel-Eastman Textb. Pal., 1, 1913, p. 74. 



Palseocyclus rotuloides (Hall). 



Cyclolites rotuloides Hall, Pal. New York, 2, 1852, p. 42 pi. 17, figs. 4a-e. 

 Palaeocyclu.s rotuloides Miller, N. A. Geol. Pal., 1889, p. 199, fig. 203— Grabau and 



Shimer, N. A. Index Fossils, 1, 1906, p. 65. 

 Upper Clinton: Near Clinton, Oneida County, New York; Pennsylvania; Mary- 

 land. 

 Paleocystis Haeckel. See Palseocystites Billings. 



Palseocystis pentolena Haeckel . Not recognized . 



Paheocystis pentolena Haeckel, Amphorideen u. Cystoideen Leipzig, 1896, p. 69, 



pi. 1, figs. 5, 5b. 

 " Lower Silurian: Canada." 



PALiEOCYSTITES Billings. Genotype: Actinocrinus tenuiradiatus Hall 



Palaeocystites Billings, Geol. Surv. Canada, dec. 3, 1858, p. 68.— Chapman, Expos. 

 Min. Geol., 1864, p. 109— Zittel, Handb. Pal., 1, 1879, p. 418— Miller, N. A. 

 Geol. Pal., 1889, p. 267.— Haeckel, Amphor. und Cystoid., 1896, p. 69 — 

 Bather, Treatise on ZooL, pt. 3, Echinoderma, London, 1900, p. 54.— Zittel- 

 Eastman Textb. Pal., 1, 1900, p. 184.— Grabau and Shimer, N. A. Index 

 Fossils, 2, 1910, p. 462.— Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, 

 p. 152. 

 Palseocyetis Haeckel, Amphorideen u. Cystoideen, Leipzig, 1896, p. 69. 



