scHFCHERTl INDEX AND BIBLIOGRAPHY. 189 



Cniilia alternata James =C. scabiosa. 



Crania anna Spencer. Niagara (Sil.). 



('lania anua Spencer, Bull. Uiiiv. MiHsuuri, I, 1884, p. 57; — Trans. St. Louis 



Acad. Sci., IV, 188(), p. COT, pi. 8, lig. 4. 

 Loc. Hamilton, Ontario. 



Crania asperula Janies=C. scabiosa. 



Crania aurora Hall. Schoharie Grit (Dev.). 



Crania aurora Ilall, Sixteentli Rep. New York State Cab. Nat. lli.st., 1863, p. 



30;— Pal. New York, IV, 1867, p. 27, pi. 3, lig. 12. 

 Loc. Knox, Albany Connty, New York. 



Crania bella IMlliugs. No. o Gaspe Series (Wev.). 



Crania bella Billings, I'al. Fossils, II, 1874, p. 15, lig. 5. 

 Loc. Cape Bon Ami, Gasjto, Canada. 



Crania blairi Miller=C. rowleyi. 



Crania bordeni Hall and Whitlield=C. sheldoni. 



Crania carbonaria Whitlield = C. modesta. 



Crania centralis Hall. Portage (Dev.). 



Crania centralis Hall, Pal. New York, V, Pt. II, 1879, pi. 88, fig. 2. 

 Loc. Watkins, New York. 



Crania chesterensis Miller and Gurley. Kaskaskia (L. Carb.). 



Crania chesterensis Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 12, 



1897, p. 47, pi. 3, figs. 24-26. 

 l.oc. Chester, Illinois. 



Crania(?) columbiana Walcott. Middle Cambrian. 



Crania? columbiana Walcott, Proc. U. S. Nat. Mus., XI, 1888, p. 441.— Hall and 



Clarke, Pal. New York, VIII, Pt. I, 1892, p. 150. 

 Loc. Mount Stephan, British Columbia. 

 Obs. Probably a species of Acrotreta. 



Crania costata James=C. scabiosa. 



Crania crenistriata Hall. Corniferous and Hamilton (Dev.). 



Crania crenistria Hall, Thirteenth Rep. New York State Cab. Nat. Hist., 1860, 

 p. 78, fig. 6, on p. 76;— Pal. New York, IV, 1867, p. 28, pi. 3, figs. 13-16.— Hall 

 and Clarke, Ibidem, VIII, Pt. I, 1892, pi. 4H, figs. 6-12. 



Loc. Alexander, etc.. New York; Columbus, Ohio; Louisville, Kentucky; 

 Alpena, Michigan. 



Ohs. See C. sheldoni White. 



Crania(?) deformata (Hall). Chazy (Ord ). 



Orbicula? deformata Hall, Pal. New York, I, 1847, p. 23, pi. 4 bis, fig. 10. 

 Crania? deformata Miller, N. American Geol. Pal., 1889, p. 341. — Hall and Clarke, 



Pal. New York, VIII, Pt. I, 1892, p. 150. 

 Loc. Chazy, New York. 

 Ohs. This species is not well established and had better be dropped since the 



type specimen does not preserve the generic or specific characters. 



Crania dentata Ringueberg. Niagara (Sil.). 



Crania dentata Ringueberg, Bull. Buffalo Soc. Nat. Sci., V, 1886, ]!. 16, pi. 2, fig. 6. 

 Loc. Lockport, New York. 



?Crania dubia Foerste. Clinton (Sil.). 



? Crania dubia Foerste, Geol. Ohio, VII, 1895, p. 565, pi. 37, fig. 17. 

 Loc. Dayton, Ohio. 

 01)8. May not be a brachiopod. 



