272 CALIFORNIA ACADEMY OP SCIENCES. 



AsAPHus Broug., 1822; Hist. Nat. Crust. Foss., p. 18, pi. 2, fig. 1 a, b. 



Cambrian. 

 Syn., CryptonymiiH Eich., 1825; (in part) not Cryptowymtis Eichw., 

 1840. 

 Isoteliis Dekay, 1822; Annals Lyceum Nat. Hist. New York, vol. 



1, p. 174. 

 HemicrypturuH Green, 1832; Mon. Tril. North America, p. 20. 



acaiitholeurus. (See Dalmanites acanlholeurus.) 



ALACER Bill., 1866; Catalogue Sil. Foss. Auticosti, p. 26, fig. 9. 



Charleton Point. Hudson. 



anpectans. (See Dalmanites aspectans.) 



ASTRAGALOTES Green, 1834; Am. Jour. Sci., 1st series, vol. 25, p. 335. 



ASTRAGALOTKS Green, 1835; Suppl. Mon. Tril. N. A., p. 11, cast 37. 



Probably Phacops rana Green. 



barrandi. (See Ogygia barrandi.) 



CANADEN.SIS Chap., 1856; Canadian Jour., vol. 1, p. 482. Georgean 



Bay, Ontario. Utica Slate. 



CANADEN.SI.S Chap., 1858; Canadian Jour., vol. 2, p. 47. 



CANADENSIS Chap., 1858; Canadian Jour., vol. 3, p. 230, tig. 



CANADENSIS Chap., 1859; Canadian Jour., vol. 4, i3. 1, fig. 



CANADENSIS Chap., 1859; Annals. Nat. Hist., 3d series, vol. 2, p. 9, 



tig. 1. 



CANADENSIS Bill., 1863; Geol. Survey Canada, p. 204, fig. 201. 



Jsotelus CANALis Conrad MSS. Chazy. 



Isotelus CANALIS Hall, 1847; Pal. New York, vol. 1, p. 25, pi. 4 bis, 



figs. 17-19. 

 CANALIS Bill., 1865; Pal. Foss., vol. 1, p. 255; also p. 352, fig. 340 



(not Conrad sp.) 

 CANALIS Bill., 1862; Geol. Vermont, vol. 1, p. 299, pi. 12, fig. 5. 



This species is probably Asaphus platycephalus. 

 CANALIS Whitf., 1886; Bull. Am. Mus. Nat. Hist. New York, vol. 1, 



p. 336, pi. 34, figs. 1-8. Fort Cassin, Vermont. Calciferous. 

 CANALIS Whitf., 1889; Bull. Am. Mus. Nat. Hist. New York, vol. 2, 



p. 64, pis. 11, 12. 

 CARiBOUENSis Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, 



vol. 8, pi. 98; pi. 12, figs. 7-7 a, b. Caribou Hill, Eureka Dist., 



Nevada. Pogonip. 



caudatus. (See Dalmanites limulurus.) 



cordieri. (See Dalmanites limulurus.) 



corycceus. (See Proetus corycceus.) 



crypturus. (See Homalonotus crypturus.) 



cuRiosus Bill., 1865; Pal. Foss., vol. 1, p. 318, fig. 305. Stanbridge, 



range 6, lot 20. 

 ? CURIOSUS Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, 



vol. 8, p. 98, pi. 12, fig. 15. Caribou Hill, Eureka District, Nev. 



