BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 917 



Orthoceras subbaculum Meek and Worthen. 



Orthoceras subbaculum Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 



1865, p. 256. 

 Niagaran: (Racine): Joliet, Illinois. 



ORTHOCERAS SUBCANCELLATUM Hall. See Kionoceras cancellatum. 



Orthoceras sublaeve D'Orbigny. 



Orthoceras laeve Hall (not Fleming), Geol. New York, 4, 1843, p. 137, fig. 2; p. 



*138; tab. ill. 25, fig. 2. Owen, Amer. Jour. Sci. Arts., 2d ser., 1, 1846, p. 46, 



fig. 2. 

 Orthoceras sublseve D'Orbigny, Prodr. Pal., 1, 1850, p. 28. Lesley, Geol. Surv. 



Pennsylvania, Rep. P 4, 1889, p. 559, fig. 

 Niagaran (Guelph): Newark, Wayne County, New York. 



Orthoceras tenerum Billings. 



Orthoceras tener Billings, Canadian Nat. Geol., 5, 1860, p. 174. 

 Black River (Leray): Pauquettes Rapids, Ottawa River, Canada. 



ORTHOCERAS (ORMOCERAS) TENUIFILUM James. See Actinoceraa tenuifilum. 

 ORTHOCERAS TENUISEPTUM Hall. See Cameroceras tenuiseptum. 



Orthoceras tenuisiphonatum Foerste. 



Orthoceras tenui-siphonatum Foerste, Proc. Boston Soc. Nat. Hist., 24, 1889, p. 



278. 

 Orthoceras (Eu-Orthoceras?) virgulatum Foerste, Proc. Boston Soc. Nat. Hist., 



24, 1889, p. 276, pi. 7, fig. 5; Geol. Surv. Ohio, Pal., 7, 1893, p. 543, pi. 32, 



fig. 5; pi. 35, fig. 3. 

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



Orthoceras tenuistriatum (Hall). 



Endoceras proteiforme var. tenuistriatum Hall, Pal. New York, 1, 1847, p. 209, 



pi. 45, figs, la, b; pi. 47, figs, la, b; 2a-e; pi. 59, figs. 2a, b. Lesley, Geol. 



Surv. Pennsylvania, Rep. P 4, p. 217, figs. 

 Orthoceras tenuistriatum Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 788, pi. 55, 



figs. 4, 6. Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 188, pi. 13, 



figs. 1, 2. 



Trenton: Middleville, etc., New York; Jacksonburg, New Jersey. 

 Black River (Platteville) : Cannon Falls, Minnesota. 



Orthoceras tenuitextum (Hall). 



Endoceras proteiforme var. tenuitextum Hall, Pal. New York, 1, 1847, p. 210, 



pi. 45, figs. 2a, b, 3a, b, 5a-c; pi. 48, figs. 2a-c; pi. 59, figs, la, b. 

 Orthoceras tenuitextum Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 189, 



pi. 13, figs. 3, 4. 

 Trenton: Middleville, etc., New York; Jacksonburg, New Jersey. 



ORTHOCERAS TERETIFORME Hall. See Cycloceras teretiforme. 



Orthoceras textile Hall. 



Orthoceras textile Hall, Pal. New York, 1, 1847, p. 199, pi. 43, figs, la, b. Em- 



mons, Amer. Geology, 1, pt. 2, 1855, p. 150. 

 Trenton: Water town, New York. 



Orthoceras tltyrus Billings. 



Orthoceras Tityrus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 316. 

 Canadian (Beekmantown): Phillipsburg, Quebec. 



