282 CALIFORNIA ACADEMY OF SCIENCES. 



BATHYUEUS. 



CYBELE Bill., 1865; Pal. Foss., vol. 1, p. 352, tig. 341 c. 



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



Levis, Quebec. 



DUBius Bill., 1865; Pal. Foss., vol. 1, p. 410, tig. 390. 



Asaphus^. EXTANS Hall, 1847; Pal. New York, vol. 1, p. 228, pi. 60, 



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



Asap!ms2 extans Hall, 1850; 3d Kep. New York State Cab. Nat. 



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

 Syn., Asaphiis 'nodostriatiis Hall, 1850; 3d Kep. New York State Cab. 

 Nat. Hist., p. 17. 



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



liregariun 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 Bathyiirun 

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

 This sijecies occurs with Paradoxides henneW Salt. Tacouic. 



'; haydeni. (See Bathyiirhcus haydeni.) 



LONGI.SPINUS Wal., 1876; 28th Kep.N. Y. State Cab. Nat. Hist., p. 94. 



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



MiNGANENSis Bill., 1865; Pal. Foss., vol. 1, p. 353. Mingan Islands. 



Calciferous. 



nero. (See Solenopleura ncro.) 



OBLONGUS Bill., 1865; Canadian Naturalist, vol. 5, p. 321, tig. 25. 



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



Quebec. 



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



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



PARVULrs 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. .3.')0. Bonne 



Bay, N. F. Taconic. 



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



Autoine, Quebec. 

 POGONiPENSis Hall & Whit., 1877; F. 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. 306. 



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



Point Levis, Quebec. Taconic. 



SAFKORUI 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. 



