260 CALIFORNIA ACADEMY OF SCIENCES. 



ACIDASPIS. 



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



Syn., Acidaspis anchoralk Miller. 



Ce.ralocephala (Acidaspis) ceralepta Clarke, 1892. Note on Acidaspis, 

 p. 12. 



ci>x'iNNATiEN.sis Meek, 1873; Pal. Ohio, vol. 1, \). 167, pi. 14, fig. 3. 



Cincinnati, Ohio. Hudson. 



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



p. 130. 

 Ce.raurus crosotus Locke, 1842; Am. Joiir. 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. 



Geratocephala (Odontopleura) crossota Clarke, 1892. Note on Aci- 

 daspis, p. 13. 



danai Hall, 1862; Geol. Wisconsin, vol. I, p. 432. Niagara. 



Acidaspis ida (Wiuchell and Marcy) Hall; 20th Rep. 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 Rep. 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; lUus. 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, Iijd. Niagara. 



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



FIMBRIATA Hall, 1883; 1 1th Rep. Geol. Nat. Hist. Indiana, p. 334, pi. 



33, fig. 11. 



{Terataspis) graxdis Hall, 1876; lUus. Devonian Foss. Crust., pi. 



17, figs. 1-8; pi. 18, figs. 1-4. (See Lichas (Terataspis) yrandis 

 Hall.) Schoharie, N. Y. 

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



34, p. 377. 



Geratocephala 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 Rep. Geol. Survey Missouri, pt. 2, p. 



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



Silurian. 

 Geratocephala (Odontopleura) halli Clarke, 1892. Note on Acidaspis, 

 p. 13. 



