BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1203 



Streptelasma minima Hall. See Duncanella l)oroalis. 



Streptelasma obliquius Foerste. 



Streptelasma obliquior Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 346, 



pi. 9, figs. 14, 15. 

 Streptelasma obliquius Foerste, Geol. Surv. Obio, Pal., 7, 1893, p. 601, pi. 34, 



figs. 14, 15 (loo. ore.). 

 Upper Medinan (Brassfield) : Hanover, Indiana. 



Streptelasma(?) parasiticum Ulrich. 



Streptelasma (?) parasiticum Ulrieb in Winchell and Schuchert, Geol. Minne- 

 sota!, 3, pt. 1, 1895, p. 89, fig. 6. 

 Black River (Platteville and Decorah): St. Paul and Minneapolis, Minnesota. 

 Eolotype.— Cat. No. 42557, U.S.N.M. ' 



Streptelasma parvula Hall. See Streptelasma comiculum. 



Streptelasma patula Rominger. 



Streptelasma patula Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 143, pi. 



39, fig. 1. 

 Zaphrentis patula Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 



1885, pi. 133, figs. 4-6. 

 Niagaran: Drummonds Island, Lake Huron; Point Detour, Michigan; Mason- 



ville, Iowa; Louisville, Kentucky (Louisville). 



Streptelasma (Petraia) profundum (Conrad). 



Cyathopbyllum profundum Conrad, Proc. Acad. Nat. Sci. Philadelphia, 1843, p. 

 335. — Owen, Geol. Iowa, Wisconsin, and Illinois, 1844, pi. 16, fig. 5. 



Streptoplasma profunda Hall, Pal. New York, 1, 1847, p. 49, pi. 12, figs. 4a-d. 



Streptelasma profunda Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal. 

 (Arch, du Mus. d'Hist. Nat., 5), 1851, p. 400.— Billings, Canadian Nat. Geol., 

 1, 1856, p. 123, figs. 7, 8.— Hitchcock, Geol. Vermont, 1, 1861, p. 291.— Bill- 

 ings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 102.— Winchell and Schu- 

 chert, Geol. Minnesota, 3, pt. 1, 1895, p. 88, pi. G, figs. 17-19.— Sardeson, 

 Amer. Geol., 20, 1897, p. 279, pi. 16, figs. 1-8; pi. 17, figs. 1-11— Grabau and 

 Shimer, N. A. Index Fossils, 1, 1906, p. 54, figs. 76a, b. 



Petraia profunda Billings, Canadian Jour., n. s., 4, 1859, p. 120.— Lambe, Cont. 

 Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 105, pi. 6, figs. 5a, b. 



Black River: Watertown, etc., New York; various localities in the United 

 States and Canada. 



Streptelasma pulciiellum Miller. See Streptelasma selectum. 



Streptelasma (Petraia) pygmauim (Billings). 



Petraia pygnuea Billings, Pal. Foss., Geol. Surv. Canada, 1865, p. 103, fig. 91 (adv. 

 sheets, 1862); Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 33 (loc. 

 ref.). — Nicholson, Pal. Ontario, 1875, p. 59. — Lambe, Cont. Canadian Pal., 

 Geol. Surv. Canada, 4, pt. 2, 1901, p. 106, pi. 6, figs. 6, 6a, b. 



Streptelasma pygmoeu in Miller, N. A. Geol. Pal., 1889, p. 204 (gen. ref.). 



Anticostian (Gun River, Jupiter River): Challoupe River, etc., Anticosti. 



Streptelasma pygmaeum occldentale (Whiteaves). 



Petraia (pygmaea? var.) occidcutalis "VVhiteaves, Geol. Surv. Canada, Pal. Foss., 3, 



pt. 4, 1906, p. 291, pi. 24, figs. 2-5. 

 Niagaran: Saskatchewan River, Canada. 



