CATALOGUE OF TRILOBITES. 319 



LICHAS. 



- (Arges) CONTUSUS Hall, 1888; Pal. New York, vol. 7, p. 8.3, pi. 19 b, 



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



Upper Helderberg. 



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



ander count}', Illinois. Trenton. 



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, 1888; Pal. New York, vol. 7, p. 85, pi. 19, 



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

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



- EMARGINATUS Hall, 1879; 28th Rep. New York State Mus. Nat. Hist., 



p. 199. Waldron, Indiana. Niagara. 



Syn., Lichas breviceps Hall; 20th Rep. New York State Cab. Nat. Hist., 

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



ERIOPIS, Hall. Corniferous and Upper Helderberg. 

 Syn., Lichas armatus Hall, 1861; Des. New Species Foss., p. 81. 



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

 Hist., p. 109. 



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

 Acidaspis (Teratasj^) ERIOPS Hall, 1876; Illus. Devonian Foss. Crust., 



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



Acidaspis (Terataspis?) sp.? Hall, 1876; Illus. Devonian Foss. Crust., 

 pi. 18, fig. 12. 



- (Conolichas) ERIOPS Hall, 1888; Pal. New York, vol. 7, p. 78, pi. 19 a, 



figs. 2-13, 15, 16. Schoharie, also in boulders Canandaigua, N. Y. 



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



Upper Helderberg. 



- GRANDIS Hall, 1862; loth Rep. New York State Cab. Nat. Hist., p. 



110. 



GRANDIS Hall, 1863; 16th Rep. New York State Cab. Nat. Hist., p. 



223. (Subgenus Terataspis.) 



Syn., Lichas superbus Bill., 1875; Canadian Naturalist, vol. 7, p. 239. 

 Acidaspis (Terataspis) 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). 



