298 CALIFORNIA ACADEMY OF SCIENCES. 



BALMANITES. 



Dalmanta aspectans Hall, 1862; loth Kep. New York State Cab. Nat. 



Hist., p. 88 (in error D. adspe.ctan,<<). 

 Syn., Dnlmanla helena Hall, 1861; Des. New Species Foss., p. 61. 



Dalmanta helena Hall, 1862; loth Eep. New York State Cab. 



Nat. Hist., p. 89. 

 Dulmanites ohioensis Meek, 1871; Proc. Acad. Nat. Sci. Phila., 



p. 91. 

 Dalmaniles ohioensis Meek, 1873; Pal. Ohio, vol. 1, p. 234, pi. 



23, fig. 1. 

 Dalmaniles denticulatus Hall, 1876; Ilhis. Devonian Foss. Crust., 

 pi. 10, fig. 1. 



aspectans Hall, 1876; Hhis. Devonian Foss. Crust., pi. 13, figs. 6 8. 



Syn., helena Hall, 1876; Illus. Devonian Foss. Crust., pi. 13, figs. 

 11-14. 



(Coronura) aspectans Hall, 1888; Pal. New York, vol. 7, p. 33, pi. 13, 



figs. 1-11, 13. (See Dalmanites diurns.) 



Crypha:us barrisi Hall. (See Cryphceus harrisi Hall.) 



BEBRYX Bill., 1860; Canadian Naturalist, vol. o, p. 62, fig. 8. City of 



Ottawa. Trenton. 



BEBRYX Bill., 1863; Geol. Canada, p. 187, fig. 185. 



Dalmania bifida Hall, 1861; Des. New Species Foss., p. 63. 



Upper Helderberg. 

 Dalmania bifida Hall, 1862; loth Rep. New York State Cab. Nat. 

 Hist., p. 91. Staflford. 



(Odontocephalus) bifida Hall, 1888; Pal. New York, vol. 7, p. 53, 



pi. 11 b, figs. 22-25. Upper Helderberg. Phelps, Ontario 

 county, N. Y., etc. ct. Dalmanites (egeriaHaU. Corniferous. 



Dalmania boothi. (See Cryphceus boothi Green.) 



BicoRXLs Hall, 1875; 28th Rep. New York State Mus. Nat. Hist. 



ExpL, pi. 33, fig. 18. Waldron, Indiana. Niagara. 



BicoRNis Hall, 1879; 28th Rep. New York State Mus. Nat. Hist., p. 



196, pi. 33, fig. 18. 



BICORXLS Hall, 1882; 11th Ann. Rep. Geol. Nat. Hist. Indiana, 1881, 



p. 342, pi. 35, fig. 18. 



BREviCEPS Hall, 1866; 24th Rep. New York State Mus. Nat. Hist., p. 



223, pi. 8, figs. 15-16. Lebanon, Ohio. Hudson. 



BREVICEPS Miller, 1874; Cincinnati Quart. Jour. Sci.. vol. 1, p. 143. 



BREViCEP.s H. & W., 1875; Pal. Ohio, vol. 2, p. 108, pi. 4, figs. 15-16. 



Phacops callicephalus Hall, 1847; Pal. New York, vol. 1, p. 247, pi. 



65, figs. 3 a-3 i. Middleville and Watertowu, N. Y. Trenton. 



/'Aftcojw callicephalus Hall, 1851; Rep. Geol. Lake Superior Land 



Dist. (Foster & Whitney), vol. 2, p. 212, pi. 3, figs. 3 a, 3 b. 

 Phacops callicephalus Emmons, 1855; Am. Geol., vol. 1, pt. 2, p. 

 214, pi. 15, figs. 7, 7 a. 



