106 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Bathyurus Johnston! Raymond. 



Bathyurus johnstoni Raymond, Bull. Victoria Mem. Mus., 1, 1913, p. 53, pi. 7, 



figs. 2, 3. 

 Black River (Lowville): Garden, Ottawa, and west of Mechanicsville, Ontario. 



Bathyurus? lajensis Kayser. 



Bathyurus? Lajensis Kayser, Beitr. Geol. and Pal. Argentinischen Republik, 



Palaeontographical Suppl. 3, 1876, p. 12, pi. 2, fig. 5. 

 Ordovician: Quebrada de la Laja, Argentina. 



BATHYURUS LEVIS Cleland. See Symphysurus convexus. 



Bathyurus longispinus Walcott. 



Bathyurus longispinus Walcott, 28th Ann. Rep. New York State Mus., 1879, p. 



94. Raymond, Ann. Carnegie Mus., 7, No. 1, 1910, p. 47, pi. 16, figs. 12-14; 



Zittel-Eastman Textb. Pal., 1913, p. 718, fig. 1381; Bull. VictoriaMem. Mus., 



1, 1913, p. 54. 



Ptychopyge jerseyensis Weller, Pal. New Jersey, 3, 1903, p. 193, pi. 14, fig. 16. 

 Black River: Newport, New York; Jacksonburg, New Jersey. 



BATHYURUS MINGANENSIS Billings. See Bathyurus amplimarginatus. 

 BATHYURUS NERO Billings. See Petigurus nero. 

 BATHYURUS OBLONGUS Billings. See Lloydia oblongus. 



Bathyurus? orbignyanus Kayser. 



Bathyurus? Orbignyanus Kayser, Beitr. Geol. and Pal. Argentinischen Republik, 



Palseontographical Suppl. 3, 1876, p. 12, pi. 2, figs. 7, 8. 

 Ordovician: Quebrada de Juan Pobre, Argentina. 



Bathyurus perkinsi Whitfield. 



Bathyurus perkinsi Whitfield, Bull. Amer. Mus. Nat. Hist., 9, 1897, p. 183, pi. 5, 



figs. 7, 8. Seely, 7th Rep. State Geol. Vermont, 1910, pi. 55, figs. 7, 8. 

 Canadian (Beekmantown) : Mouth of Otter Creek, Vermont. 



Bathyurus perplexus Billings. 



Bathyurus perplexus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 364, fig. 



350. Raymond, Bull. VictoriaMem. Mus., 1, 1913, p. 52. 

 Middle Ordovician? Bonne Bay, Newfoundland. 

 Observation. Probably the same as B. extans. 



BATHYURUS PERSPICATOR Billings. See Goniurus perspicator. 



Bathyurus pogonipensis Hall and Whitfield. 



Bathyurus Pogonipensis Hall and Whitfield, U. S. Geol. Expl. 40th Parl., 4, 1877, 



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



Lower Pogonip: West side Pogonip Mountain, White Pine District, Nevada. 

 Holotype.Cat. No. 24655, U.S.N.M. 



BATHYURUS QUADRATUS Billings. See Leiostegium quadratus. 

 BATHYURUS SAFFORDI Billings. See Lloydia saffordi. 



Bathyurus schucherti Clarke. 



Bathyurus schucherti Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 724, figs. 41, 42. 



Raymond, Bull. Victoria Mem. Mus., 1, 1913, p. 58. 

 Black River (Platteville) : Minneapolis, Minnesota. 

 Cotype.Cat. No. 43052, U.S.N.M. 



