260 CALIFORNIA ACADEMY OF SCIENCES. 



ACIDASPIS. 



CERALEPTA Miller, 1874; Cincinnati Quart. Jour. Sci., vol. 1, p. 130. 

 Syn., Acidaspis anchoralis Miller. 



Ceratocephala (Acidaspis} CERALEPTA Clarke, 1892. Note on Acidaspis, 

 p. 12. 



CINCINNATIENSIS Meek, 1873; Pal. Ohio, vol. 1, p. 167, pi. 14, fig. 3. 



Cincinnati, Ohio. Hudson. 



CINCINNATIENSIS Miller, 1874; Cincinnati Quart. Jour. Sci., vol. 1, 



p. 130. 



Ceraurus CROSOTUS Locke, 1842; Am. Jour. Sci., 1st series, vol. 44, 

 p. 347, fig. Cincinnati, Ohio. Hudson. 



CROSOTUS James, 1871; Catalogue Fossils Cincinnati Group, p. 14. 



CROSOTUS Meek, 1873; Pal. Ohio, vol. 1, p. 165, pi. 14, figs. 10 a-b. 



CROSOTUS Miller, 1874; Cincinnati Quart. Jour. Sci., vol. 1, p. 129. 

 Ceratocephala (Odonto pleura) CROSSOTA Clarke, 1892. Note on Aci- 

 daspis, p. 13. 



danai Hall, 1862; GeoL Wisconsin, vol. 1, p. 432. Niagara. 

 Acidaspis ida (Winchell and Marcy) Hall; 20th Kep. New York State 



Cab. Nat. Hist., p. 389. 



Danai Hall, 1867; 20th Rep. New York State Cab. Nat. His., p. 333, 



pi. 21, figs. 8, 9. Bridgeport, 111. 



- Danai Hall, 1870; 20th Eep. New York State Cab. Nat. Hist., p. 423, 

 pi. 21, figs. 8, 9 (rev. ed.) This species with A. ida are synony- 

 mous to Acidaspis goniata. 



(Terataspis) ERIOPS Hall, 1876; Illus. Devonian Foss. Crust., pi. 19, 



figs. 4-7, 10, 11, 12. (See Lichas (Conolichas) eriops Hall.) Scho- 

 harie, N. Y. Upper Helderberg. 



FIMBRIATA Hall, 1879; Description of New Species from the Niagara 



Group, p. 20. Waldron, Ind. Niagara. 



FIMBRIATA Hall, 1882; Trans. Albany Inst., vol. 10, p. 76. 



. FIMBRIATA Hall, 1883; llth Eep. Geol. Nat. Hist. Indiana, p. 334, pi. 



33, fig. 11. 



(Terataspis} GRANDIS Hall, 1876; Illus. Devonian Foss. Crust., pi. 



17, figs. J-8; pi. 18, figs. 1-4. (See Lichas (Terataspis} grandis 

 Hall.) Schoharie, N. Y. 

 Ceratocephala goniata Ward., 1838; Am. Jour. Sci., 1st series, vol. 



34, p. 377. 



Ceratocephala goniata Clarke, 1892; Note on Acidaspis, p. 12. Niagara. 

 The original species was from Springfield, Ohio; Clarke places as 

 syn. A. danai Hall and A. ida from Bridgeport, 111. 



HALLI Shum., 1855; 1st and 2d Kep. Geol. Survey Missouri, pt. 2, p. 



200, pi. B, figs. 7 a, b, c. Cape Girardeau County, Missouri. 



Silurian. 



Ceratocephala (Odontopleura) HALLI Clarke, 1892. Note on Acidaspis, 

 p. 13. 



