BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 105 



Bathyurus arcuatiis Billings. 



Bathyurus arcuatiis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 205, figs. 



189, 190. Raymond, Bull. Victoria Mem. Mus., 1, 1913, p. 57. 

 Canadian (Beekmantown): Near St. Antoine, above Quebec, Canada. 



BATHYURUS ARMATUS Billings. See Plethopeltis armatus. 

 BATHYURUS ARMATUS Walcott. See Plethopeltis saratogensis. 

 BATHYURUS BITUBERCULATUS Billings. See Lloydia bituberculatus. 

 BATHYURUS BREVICEPS Billings. See Leiostegium breviceps. 

 BATHYURUS CAPAX Billings. See Platycolptis capax. 

 BATHYURUS CAUDATUS Billings. See Goniurus caudatus. 

 BATHYURUS CONGENERIS Walcott. See Holasaphus congeneris. 

 BATHYURUS CONICUS Billings. See Hystricurus conicus. 

 BATHYURUS CORDAT Billings. See Hystricurus oordai. 

 BATHYURUS CROTALIFRONS Dwight. See Hystricunis crotalifrons. 

 BATHYURUS CYBELE Billings. See Petigunis cybele. 



Bathyurus?? darwinf Kayser. 



Bathyunis? Darwinii Kayser, Beitr. Geol. Pal. Argentinischen Republik, Palseon- 



tographiea Suppl., 3, 1876, p. 12, pi. 2, fig. 6. 

 Ordovician: Quebrada de Juan Pobre, Argentina. 



BATHYURUS DUBIUS Billings. See Platycolpus dubius. 

 BATHYURUS ELLIPTICUS Cleland. See Petigunis ellipticus. 



Bathyurus extans (Hall). 



Asaphus? extans Hall, Pal. New York, 1, 1847, p. 228, pi. 60, figs. 2, 2a-c; 3d 



Rep. New York State Cab. Nat. Hist., rev. ed., 1850, p. 182, pi. 3, fig. 1 (doc. 



ed., p. 174). Emmons, Amer. Geology 1, pt. 2, 1855, pi. 15, figs. 8, 11. 

 Asaphus? nodostriatus Hall, Pal. New York, 1, 1847, p. 248, pi. 61, figs, la, b. 

 Bathyurus extans Billings, Canadian Nat. Geol., 4, 1859, p. 364; Geol. Canada, 



Geol. Surv. Canada, 1863, p. 153, fig. 114. Clarke, Geol. Minnesota, 3, pt. 2, 



1897, p. 722, fig. 37. Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 



288, fig. 1594. Raymond, Ann. Carnegie Mus., 7, No. 1, 1910, p. 46, pi. 15, 



figs. 7, 8; pi. 16, fig. 5; Bull. Victoria Mem. Mus., 1, 1913, p. 52. 

 Black River: Mohawk Valley, near Watertown, etc., New York; Ottawa and 



Mingan Islands, Canada; Minnesota, Wisconsin, Kentucky. 



Bathyurus glandicephalus Whitfield. 



Bathyurus (Bathyurellus) glandicephalus Whitfield, Bull. Amer. Mus. Nat. Hist., 



3, 1890, p. 38, pi. 2, figs. 9-12. 



Bathyurus glandicephalus Raymond, Bull. Victoria Mem. Mus., 1, 1913, p. 55. 

 Canadian (Beekmantown) : Shoreham, Vermont; Champlain Valley. 



Bathyurus ingalli Raymond. 



Bathyurus ingalli Raymond, Bull. Victoria Mem. Mus., 1, 1913, p. 57, pi. 7, fig. 7. 

 Trenton (Curdsville) : Two miles north Kirkfield, Belleville, and near Ottawa, 

 Ontario. 



