320 CALIFORNIA ACADEMY OF SCIENCES. 



LICHAS. LLOYDIA. 



HARRisi Miller, 1878; Jour. Cincinnati Soc. Nat, Hist., vol. 1, p. 106, 



pi. 3, fig. 9. Waynesville, Ohio. Hudson. 

 (Conolichas) hispidus Hall, 1888; Pal. New York, vol. 7, p. 77, pi. 19 



a, figs. 14, 17, IS. Upper Helderberg group, Schoharie grit near 

 Clarksville, Corniferous limestone, Le Roy, N. Y. 



Hyn., AcidasjiM (TerataspLs) eriop-s Hall, 1876; lUus. Dev. Foss., pi. 



19, figs. 8, 9. Upper Helderberg. 



(Hoplolichas) hyl^us Hall, 1898; Pal. New York, vol. 7, p. 81, pi. 19 



b, figs. 1, 2. Province of Ontario. Upper Helderberg. 

 JUKESi Bill., 1865; Pal. Foss., vol. 1, p. 282, fig. 260; also p. .3.35, fig. 



323. Cow Head, N. F. 

 MiNGANENSis Bill., 1865; Pal. Foss., vol. 1, p. 181, figs. 163 a, b. Large 



Island, Mingan Islands. Chazy and Trenton. 

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



No description or locality mentioned. 

 OBVics Hall, 1870; 20th Rep. New York State Cab. Nat. Hist., p. 424, 



pi. 25, fig. 19. Lyons, Iowa. Niagara. 



Calymene phlyctanodes Green, 1837; Am. Jour. Sci., 1st series, vol. 



32, p. 167. Niagara. 



Arges phlyctaxode.s Hall, 1852; Pal. New York, vol. 2, p. 314, pi. 



70, figs. 2 a, c. Near Albion, Orleans Co., N. Y. 

 (Dicranogmus) ptyonurus Hall, 1888; Pal. New York, vol. 7, p. 86, 



pi. 19 b, figs. 19-21. Schoharie, N. Y. Niagara. 

 P0GNAX W. (fe M., 1866; Mem. Boston Soc. Nat. Hist., vol. 1, pt. 1, 



p. 103, pi. 3, fig. 10. Bridgeport, 111. Niagara. 

 pugnax Hall, 1867; 20th Rep. New York State Cab. Nat. Hist., p. 393 



(rev. ed., p. 424, pi. 25, fig. 20). 

 PUSTtJLOSUS Hall, 1859; Pal. New York, vol. 3, p. 366, pi. 77, figs. 9- 



12; pi. 78, figs. 1-6, fig. 7 (?). Albany and Schoharie Co., N. Y. 



Lower Helderberg. 



PUSTULOSUS Hall, 1876; Ulus. Devonian Foss. Crust., pi. 19, fig. 13. 



(Conolichas) pustulosus Hall, 1888; Pal. New York, vol. 7, p. 80, pi. 



19, figs. 8, 10, 11. 

 Hoplolichas robbinsi Ulrich, 1892; The Amer. Geol., vol. 10, p. 271, 



fig. Near Wykoff, Minn. Trenton. 

 superhus Bill., 1875; Canadian Naturalist, new series, vol. 7, p. 239. 



(See Lichas grandis.) Corniferous. 



Asaphus? trextoxensis Con., 1842; Jour. Acad. Nat. Sci. Phila., 



vol. 8, p. 277, pi. 16, fig. 16. Trenton. 



Platynotus trextonensis Hall, 1847; Pal. New York, vol. 1, p. 235, 



pi. 64, figs. 1 a-e. Middleville, etc., N. Y. 



trentonensis Miller, 1874; Cincinnati Quart. Jour. Sci., vol. 1, p. 127. 



Llovdia Vogd., 1889 (generic name, with Bathyurus bitubercitlaius Bill, for 



its type). 



