CATALOGUE OF TRILOBITES. 319 



LICHAS. 



(Arrfes) CONTUSUS Hull, ISSS; Pal. New York, vol. 7, p. 8.3, pi. 19 b, 



figs. 3-6. Clarksville, Cherry Valley, etc., N. Y. 



Upper Helderberg. 



CUCCLLUS M. & W., 1865; Proc. Acad. Nat. Sci. Phila., p. 266. Alex- 

 ander co\iuty, Illinois. Treuton. 



cucuLLus M. & W., 1866; Geol. Survey Illinois, vol. 3, p. 299, pi. 1, 



figs. 6 a-c. 



DECiPiENS W. & M., 1866; Mem. Boston Soc. Nat. Hist., vol. 1, pt. 1, 



p. 104, pi. 3, fig. 11. Bridgeport, Illinois. Niagara. 



{Ceratolichas) dracon Hall, ISSS; Pal. New York, vol. 7, p. 85, pi. 19, 



figs. 14-17. Schoharie and Le Boy, N. Y. Hall, 1876; Illus. 

 Devonian Foss. Crust., pi. 19, figs. 2, .3. Upper Helderberg. 



EMAKGiNATus Hall, 1879; 28th Eep. New York State Mus. Nat. Hist., 



p. 199. Waldron, Indiana. Niagara. 



Syn., Lichas hrevicpps Hall; 20th Eep. New York State Cab. Nat. Hist., 

 p. 377, pi. 21, figs. 12-14, rev. ed., p. 424, pi. 21, figs. 12-14. 



ER10PI.S, Hall. Corniferous and Upper Helderberg. 



Sj'n., Lichas armatus Hall, 1861; Des. New Species Foss., y>- 81. 



Lichas armatus Hall, 1862; 15th Eep. New York State Cab. Nat. 

 Hist., p. 109. 



ERIOPS Hall, 1863; 16th Eep. New York State Cab. Nat. Hist., p. 226. 



Acidaspis (IWataspis) eriops Hall, 1876; Ilhis. Devonian Foss. Crust., 



pi. 19, figs. 4-7, 10, 11. 

 Acidaspis {Terataspis?) sp.? Hall, 1876; lUus. Devonian Foss. Crust., 

 pi. 18, fig. 12. 



(Conolichas) eriops Hall, 1888; Pal. New York, vol. 7, p. 78, i^l. 19 a, 



figs. 2-1.3, 15, 16. Schoharie, also in boulders Cauaudaigua, N. Y. 



GRANDis Hall, 1861; Des. New Species Foss., p. 82. Schoharie, N. Y. 



Upper Helderberg. 



GRANDis Hall, 1862; 15th Eep. New York State Cab. Nat. Hist., p. 



110. 



GRANDIS Hull, 1863; 16th Eep. New York State Cab. Nat. Hist., p. 



223. (Subgenus Terataspis.) 

 Syn., Lichas superhus'BiW., 1875; Canadian Naturalist, vol. 7, p. 239. 

 Acidaspis [Te.ratasjns) grandis Hall, 1876; Illus. Devonian Foss. 

 Crust., pis. 17, 18. 



[Terataspis) grandis Hall, 1888; Pal. New York, vol. 7, p. 73, pi. 17, 



figs. 1-6; pi. 18, figs. 1, 2; pi. 19, figs. 1-7. Schoharie, Thomp- 

 son's Lake, Knox, and near Clarksville, N. Y., Cayuga, Ontario. 



■ (Ceratolichas) gryps Hall, 1888; Pal. New York, vol. 7, p. 84, pi. 19 



b, figs. 7-13. Schoharie county, N. Y. 



Upper Helderberberg. Corniferous. 

 [Acidaspis n. sp.?) Hall, 1876; Illus. Dev. Crust., pi. 19, fig. 1 (not figs. 

 2, 3). 



