BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 13 



Actlnoceras gracile (Hall). 



Ormoceras? gracile Hall, Pal. New York, 1, 1847, p. 58, pi. 17, fig. 3. Emmons, 



Amer. Geology, 1, pt. 2, 1855, p. 151. Lesley, Geol. Surv. Pennsylvania, 



Rep. P 4, 1889, p. 504, fig. 



Actinoceras gracile D'Orbigny, Prodr. Pal., 1, 1849, p. 3 (gen. ref.). 

 Hormoceras? gracile Clarke and Ruedemann, Bull. New York State Mus., 65, 



1903, p. 601 (gen. ref.). 

 Black River (Watertown): Watertown, New York. 



Actinoceras hearsti Parks. 



Actinoceraa hearsti Parks, in Tyrrell, 22d Rep. Ontario Bur. Mines, 1913, p. 37. 

 Niagaran (Guelph): Severn River, Ontario. 



Actinoceras infelix (Billings). 



Orthoceras infelix Billings, Cat. Sil. FOSH. Anticosti, Geol. Surv. Canada, 1866, 



p. 57. 

 Actinoceras (Orthoceras) infelix Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, 



p. 272. 

 Anticostian (Becsie River-Jupiter River): Southwest Point, Ariticosti. 



Actinoceras keewatinense Whiteaves. 



Actinoceras Keewatinense Whiteaves, Ann. Rep. Geol. Surv. Canada (n. s.), 

 14, App. F, 1904, p. 54; Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, pp. 

 246, 263, pi. 30, figs. 7, 8. 

 Niagaran: Rainy Island, Attawapiskat River and Ekwan River, Canada. 



Actinoceras latonummulatum (Foerste). 



Orthoceras (Actinoceras) lata-nummulatus Foerste, Proc. Boston Soc. Nat. Hist., 

 24, 1889, p. 285, pi. 8, fig. 4; Geol. Surv. Ohio, Pal. 7, 1893, p. 538, pi. 33, 

 fig. 4. 

 Upper Medinan (Brassfield): Soldiers' Home, near Dayton, Ohio. 



ACTINOCERAS LYONI Stokes. See Actinoceras bigsbyi. 

 ACTINOCERAS LYONI Whiteaves. See Actinoceras richardsoni. 



Actinoceras (Deiroceras) python (Billings). 



Orthoceras python Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, 



p. 335. 



Deiroceras python Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 273 (gen. ref.). 

 Actinoceras (Deiroceras) python Whitea ves, Pal. Foss., Geol. Surv. Canada, 3, 



pt. 3, 1897, p. 210. 

 Trenton: Ottawa, Montreal and Lake Winnipeg, Canada. 



Actinoceras remotiseptum (Hall). 



Ormoceras remotiseptum Hall, 3d Rep. New York State Cab. Nat. Hist., rev. ed., 



1850, p. 181, pi. 4, fig. 3. (Doc. ed., p. 173). 

 Actinoceras remotiseptum Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 782, pi. 54, 



figs. 1-3. Foord, Cat. Foss. Ceph. Brit. Mus., 1, 1888, p. 172. Grabau and 



Shimer, N. A. Index Fossils, 2, 1910, p. 115. 

 Hormoceras remotiseptum Clarke and Ruedemann, New York State Mus., Bull. 



65, p. 602 (gen. ref.). 

 Black River: Watertown, New York (Watertown); Cannon Falls, Minnesota 



(Platteville). 



Actinoceras richardsoni Stokes. 



Actinoceras Richardsonii Stokes, Proc. Geol. Soc. London, 2, p. 689 (nom. nud.); 

 Trans. Geol. Soc. London, 2d ser., 5, 1840, p. 708, pi. 59, figs. 2, 3. Castelnau, 

 Essai Syst. Sil. 1'Amerique Septent, 1843, p. 30, pi. 7, figs. 1, 2; pi. 8, figs. 



