BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1205 



Streptelasma selectum Continued. 



Streptelasma selectum Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, 



p. 113, pi. 6, figs. 8, 8a. 

 Petraia pulchella Billings, Canadian Nat. Geol., n. a., 2, 1865, p. 429; Cat. Sil. 



Foss. Anticosti, Geol. Surv. Canada, 1866, p. 33. 



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

 Gamachian (Ellis Bay): Gamache Bay, etc., Anticoeti. 



Streptelasma spongaxis Rominger. 



Streptelasma spongaxis Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 144, 



pi. 39, fig. 2. 

 Zaphrentis spongiaxis Davis, Kentucky Foss. Corals, Geol. Surv. Kentucky, 



1885, pt. 2, pi. 132, figs. 4-6. 

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



Iowa; Louisville, Kentucky (Louisville); Laurel, Indiana (Laurel). 



STREPTELASMA VAGANS Foerste. See Streptelasma rusticum. 

 STREPTELASMA WAYNENSE Miller. See Enterolasma waynense. 



STREPTIS Davidson. Genotype: Terebratula grayi Davidson. 



Streptis Davidson, Geol. Mag., 8, 1881, p. 150, pi. 5, fig. 13. Hall and Clarke, 



Pal. New York, 8, pt. 1, 1892, p. 274; llth Ann. Rep. New York State Geol., 



1894, p. 289. Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 315; ibid., 



2d ed., 1913, p. 388. 



Streptis grayi (Davidson). 



Terebratula grayii Davidson, Bull. Soc. Geol. France, 2d eer., 5, 1848, p. 331, pi. 



3, fig. 33. 

 Atrypa? grayi Davidson, British Sil. Brach., Pal. Soc., 1866, 1867, p. 141, pi. 13, 



figs. 14-22. 

 Streptis Grayi Davidson, Mon. British Foss. Brachiopoda, 5, 1883, Sil. Suppl., Pal. 



Soc., p. 139. Williams, Amer. Jour. Sci., 3d eer., 48, 1894, p. 331. 

 Silurian: England; Batesville, Arkansas (St. Clair.) 



STREPTIS WALDRONENSIS Beecher and Clarke. See Mimulus waldroneneis. 



STREPTOCERAS Billings. Genotype: S. janus Billings. 



Streptoceras Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 88. 



Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 281. Miller, N. A. Geol. 



Pal., 1889, p. 454. Hyatt, Zittel-Eastman Textb. Pal., 1, 1900, p. 531, ibid., 



2d ed., 1913, p. 611. 



Streptoceras heros Billings. 



Streptoceras heros Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 



89, fig. 28, lower. 

 Niagaran (Lockport) : Grimsby, Ontario. 



Streptoceras janus Billings. 



Streptoceras Janus Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 



88, fig. 28, upper. Miller, N. A. Geol. Pal., 1889, p. 454, text fig. 760. 

 Niagaran (Lockport): Grimsby, Ontario. 



STREPTOLASMA D'Orbigny. See Streptelasma Hall. 



STREPTOMYTILUS Kindle and Breger. 



Genotype: S. wabashenais Kindle and Breger. 



Streptomytilus Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 

 1904, p. 453. 



