BIBLIOGEAPHIC LIST OF GENERA AND SPECIES. 913 



Orthoceras piscator Billings. 



Orthoceras piscator Billings, Pal. Fosa., 1, Geol. Surv. Canada, 1865, p. 251, fig. 



237. 

 Chazyan (Quebec I-N): Table Head and Point Rich, Newfoundland. 



Orthoceras piso Billings. 



Orthoceras Piso Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 168 (adv. 



sheets, 1862). 

 Richmond: Cape Smyth, Manitoulin Island, Lake Huron. 



ORTHOCERAS PLANOCONVEXUM Hall. See Tripteroceras planoconvexum. 



Orthoceras porteri Schuchert. 



Orthoceras porteri Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 169, pi. 12, figs. 



23-25. 



Mohawkian: Head of Frobisher Bay, Baffin Land. 

 Holotype.G&t. No. 28194, U.S.N.M. 



ORTHOCERAS (HURONIA) PORTLOCKI Barrande. See Huronia portlocki. 



Orthoceras priamus Billings. 



Orthoceras Priamus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 253, figs. 



239a, b. 

 Orthoceras cf. Priamus Matthew, Trans. Roy. Soc. Canada, 10, sec. 55, 1893, p. 106, 



pi. 7, figs. 13a, b. 



Chazyan (Quebec L, M): Point Rich and Table Head, Newfoundland. 

 ?Canadian (Bretonian Div. C3d): St. John, New Brunswick. 



Orthoceras? primigenium Vanuxem. 



Orthoceras primigenium Vanuxem, Geol. New York, 3d Dist., 1842, p. 36, fig. 4. 

 Emmons, Nat. Hist. New York, Geol., 2d Dist., 1842, p. 179, fig. 4. Owen, 

 Amer. Jour. Sci. Arts, 47, 1844, pp. 357, 358, fig. 4. Hall, Pal. New York, 1, 

 1847, p. 13, pi. 3, fig. 11, lla. Emmons, Amer. Geology, 1, pt. 2, 1855, p. 148. 

 Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 56, pi. 10, fig. L Lesley 

 Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 556, figs. Calvin, Bull. Lab. 

 Nat. Hist. State Univ. Iowa, 2, 1892, p. 193; Amer. Geol., 10, 1892, p. 147. 

 Cleland, Amer. Pal., Bull. 13, 1900, p. 20; ibid., 4, 1903, p. 14, pi. 3, figs. 8, 9. 

 Ruedemann, Bull. New York State Mus., 90, 1906, p. 504. Seely, Vermont 

 State Geol., Rep. 7, 1910, p. 301, fig. 29. Grabau and Shimer, N. A. Index 

 Fossils, 2, 1910, p. 47. 



Canadian (Beekmantown) : Near Fort Plain, Beekmantown, Fort Hunter, etc., 

 New York; Iowa. 



Orthoceras progressum Ruedemann. 



Orthoceras progressum Ruedemann, Bull. New York State Mus., 90, 1906, p. 434, 



pi. 12, figs. 5, 6; fig. 13. 

 Chazyan (Valcour): Valcour Island, New York. 



ORTHOCERAS PROPINQUUM Billings. See Actinoceras fulgur. 



Orthoceras pimctostriatum Hall. 



Orthoceras punctostriatum Hall, Canadian Nat. Geol., 5, 1860, p. 154, fig. 15. 



Dawson, Acadian Geol., Suppl. Chap., p. 68, fig. 61; 2d ed., 1868, p. 605, 



fig. 212. 

 Silurian: Arisaig, Nova Scotia. 



