BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 903 



Orthoceras castelnaui Verneuil. 



Orthoceras conicum Castelnau (notHisinger), Essai Syst. Sil. 1'AmeriqueSeptent., 



1843, p. 29, pi. 10, fig. 3. 

 Orthoceras Castelnaui Verneuil, in Castelnau, ibid., p. 29. 

 Niagaran: Drummond Island, Lake Huron. 



Orthoceras cataline Billings. 



Orthoceras Cataline Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 315. 

 Canadian (Beekmantown) : Phillipsburg, Quebec. 



Orthoceras cato Billings. 



Orthoceras Cato Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 314. 

 Canadian (Beekmantown): Phillipsburg, Quebec. 



Orthoceras catulus Billings. 



Orthoceras Catulus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 313. 

 Orthoceras cf. Catulus Matthew, Trans. Roy. Soc. Canada, 10, sec. 4, 1893, p. 



106, pi. 7, fig. 14a-d. 

 Canadian: Phillipsburg, Quebec (Beekmantown); St. John, New Brunswick 



(Bretonian— Div. C3d). 



Orthoceras cincinnatiense Miller. 



Orthoceras Cincinnatiensis Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 127; 



Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 319, pi. 8, figs. 5, 5a. 

 Maysville (Fairmount): Cincinnati, Ohio. 



Orthoceras clathratum Hall. 



Orthoceras clathratum Hall, Pal. New York, 1, 1847, p. 201, pi. 43, figs. 4a-c.— 



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

 Trenton : Middleville, New York. 



Orthoceras? clavatum Hall. 



Orthoceras clavatum Hall, Pal. New York, 2, 1852, p. 104, pi. 31, fig. 4a, b. 

 Orthoceras (Actinoceras) clavatum Foerste, Geol. Surv. Ohio, Pal., 7, 1893, p. 538, 



pi. 33, fig. 2; pi. 36, figs. 5a-c. 

 Upper Clinton: Near Mohawk, New York. 

 Upper Medinan (Brassfield) : Near Carlisle, Ohio. 



Orthoceras clintoni Miller. See Spyroceras clintoni. 



Orthoceras colon White. 



Orthoceras colon White, Geogr. Geol. Expl. West 100th Merid., Prel. Rep., 1874, 



p. 10. 

 Orthoceras (Cameroceras) colon White, Rep. U. S. Geogr. Surv. West. 100th Merid., 



4, War Dep., 1879, p. 56, pi. 3, figs. 5a-d. 

 Canadian: Fish Spring, House Range, Utah. 

 Hofotype.— Cat. No. 17392, U.S.N.M. 



Orthoceras columnare Hall. See Kionoceras cancellatum. 



Orthoceras conicum Castelnau. See Orthoceras castelnaui. 



Orthoceras (Discosorus) conoideus Barrande. See Discosorus conoideue. 



Orthoceras coralliferum Hall. 



Orthoceras coralliferum Hall, Pal. New York, 1, 1847, p. 312, pi. 85, fig. 3; pi. 86, 



figs. la-d. 

 Utica: Turin, New York. 



