BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 917 



Orthoceras subbaculum Meek and Worthen. 



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



1865, p. 25G. 

 Niagaran: (Racine): Joliet, Illinois. 



Orthoceras subcancellatum Hall. See Kionoceraa 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 sublaeve 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) tenuifiltjm James. See Actinoceras 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 tenuistriatuin (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 (Platte ville): Cannon Falls, Minnesota. 



Orthoceras tenuitextuin (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: Watertown, New York. 



Orthoceras tityrus Billings. 



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

 Canadian (Beekmantown): Phillipsburg, Quebec. 



