282 CALIFORNIA ACADEMY OF SCIENCES. 



BATHYUKUS. 



- CYBELE Bill., 1865; Pal. Foss., vol. 1, p. 852, tig. 341 c. 



- DUBIUS Bill., 1860; Canadian Naturalist, vol. 5, p. 319, tig. 21. Point 



Levis, Quebec. 



- DUBIUS Bill., 1865; Pal. Foss., vol. 1, p. 410, fig. 390. 



Asaphusl EXTAXS Hall, 1847; Pal. New York, vol. 1, p. 228, pi. 60, 

 figs. 2a-c. Great Bend, Jefferson County, N. Y. Trenton. 



Asaphus? EXTAXS Hall, 1850; 3d Rep. New York State Cab. Nat. 

 Hist., p. 174, pi. 3, figs. 1 a-c. 



Syn., Asaphits nodostriatus Hall, 1850; 3d Rep. New York State Cab. 

 Nat. Hist., p. 17. 



EXTANS Bill., 1863; Geol. Canada, p. 153, fig. 114. 



yreyarius Bill., 1865; Pal. Foss., vol. 1, p. 363, fig. 349. St. Mary's 



Bay, N. F. Mr. Walcott (Bull. U. S. Geol. Survey, No. 10, p. 36) 

 refers this species to the genus Solenopleura Aug., and remarks 

 that many of the Cambrian species of the genus Bathyurn* 

 described in the Canadian reports might be referred to that genus. 

 This species occurs with Paradoxides bennetti Salt. Taconic. 



? haydeni. (See Bathyuriscus haydeni.) 



- LONGISPIXUS Wai., 1876; 28th Rep. N. Y. State Cab. Nat. Hist., p. 94. 



Russia, Herkimer Co., N. Y.; Plattsville, Wis. Trenton. 



- MINGANENSIS Bill., 1865; Pal. Foss., vol. 1, p. 353. Miiigan Islands. 



Calciferous. 

 nero. (See Solenopleura nero.) 



OBLOXGUS Bill., 1865; Canadian Naturalist, vol. 5, p. 321, fig. 25. 



- OBLONGUS Bill., 1865; Pal. Foss., vol. 1, p. 411, fig. 394. Point Levis, 



Quebec. 



- OBLOXGUS Bill., 1861; Geol. Vermont, vol. 1, p. 952, fig. 361. 



- PARVULUS Bill.. 1861; Pal. Foss., Canada, p. 16, fig. 21. Taconic. 



- PARVULUS Bill., 1861; Geol. Vermont, vol. 2, p. 952, fig. 361. 



- PARVULUS Bill., 1865; Pal. Foss., vol. 1, p. 16, fig. 21. 



- PERPLEXUS Bill., 1865; Pal. Foss., vol. 1, p. 364, fig. 350. Bonne 



Bay, N. F. Taconic. 



- PERSPICATOR Bill., 1865; Pal. Foss., vol. 1, p. 205, fig. 191. Near St. 



Antoine, Quebec. 



- POGOXIPEXSIS Hall & Whit., 1877; U. S. Geol. Expl. 40th Par., vol.4, 



p. 243. pi. 1, figs. 33, 34. Cambrian. 



QUADRATUS Bill., I860; Canadian Naturalist, vol. 5, p. 321, fig. 27. 



Point Levis, Quebec. Taconic. 



QUADRATUS Bill., 1865; Pal. Foss., vol. 1, p. 412, fig. 396. 



SAFFORDI Bill., 1860; Canadian Naturalist, vol. 5, p. 321, fig. 24. 



Point Levis, Quebec. Taconic. 



SAFFORDI Bill., 1865; Pal. Foss., vol. 1, p. 259, fig. 341; p. 411, fig. 393. 



SEELYI Whitf., 1886; Bull. Am. Mus. Nat. Hist. New York, vol. 1, 



No. 8, p. 339, pi. 33, figs. 12-18. Fort Casin, Vermont. 



Calciferous. 



