1294 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Triplecia ortoni — Continued. 



Triplesia ortoni Meek, Pal. Ohio, 1, 1873, p. 178, pi. 15, fig. 1.— Davidson, Mon. 

 British Foss. Brach., 5, Sil. Suppl., Pal. Soc, 1883, p. 142, fig.— Miller, N. A. 

 Geol. Pal., 1889, p. 387, fig. 635.— Lesley, Geol. Surv. Pennsylvania, Rep. P4, 

 1889, p. 1226, fig.— Foerste, Jour. Geol., 11, 1903, p. 707 (loc. occ). 



Upper Medinan (Brassfield): Dayton, etc., Ohio; Indiana; Kentucky; Tennessee. 



Triplecia(?) radiata Whitfield. 



Triplesia radiata Whitfield, Bull. American Mus. Nat. Hist., 2, 1889, p. 43, pi. 7, 

 figs. 5-8.— Lesley, Geol. Surv. Pennsylvania, Rep., P 4, 1890, p. 1225, figs. 

 Triplecia radiata, Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 271. 

 Canadian (Beekmantown): Beekmantown, New York. 



Triplecia (Cliftonia) striata Foerste. 



Triplecia (Cliftonia) striata Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 



81, pi. 3, fig. 42A, B. 

 Upper Medinan (Brassfield): Near Clifton, Tennessee. 



Triplecia (Cliftonia) tenax Foerste. 



Triplecia (Cliftonia) tenax Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 82, 



pi. 3, fig. 39; pi. 4, fig. 70A, B. 

 Clinton (Osgood): Clifton, Tennessee. 



Triplecia (California) nlrichi Winchell and Schuchert. 



Triplecia ulrichi Winchell and Schuchert, Geol. Minnesota, 3, 1893, pi 409, fig. 34. 

 Richmond (Maquoketa): Wykoff and Spring Valley, Minnesota. 

 Cotypes— Cat. No. 45545, U.S.N.M. 



Triplesia Hall and Clarke. See Triplecia Hall. 



Triplesia? ambigua Hall. See Camarella ambigua. 



Triplesia calcifera Walcott. See Syntrophia nundina. 



Triplesia? congesta Hall. See Hyattidina congesta. 



Triplesia lateralis Whitfield. See Syntrophia lateralis. 



Triplesia putillus Hall. See Mimulus waldronensis. 



Triplesia? quadricostata Hall. See Hyattidina congesta. 



TRIPLEUROCERAS Hyatt. Genotype: Orthoceras archiaci Barrande. 



Tripleuroceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 289. 

 Tripleuroceroceras Hyatt, Zittel-Eastman Textb. Pal., 1900, p. 529. 



Tripleuroceras robsoni Whiteaves. 



Tripleuroceras Robsoni Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, 



p. 281, pis. 31, 32.— Ottawa Nat., 12, 1898, p. 123. 

 Niagaran: Stonewall, Manitoba. 



TRIPTEROCERAS Hyatt. Genotype: Orthoceras hastatum Billings. 



Tripteroceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1S84, p. 287.— Grabau and 

 Shinier, N. A. Index Fossils, 2, 1910, p. 103. 



Trypteroceras Zittel, Handb. Pal., 2, 1884, p. 370. 



Triptoceras Miller, N. A. Geol. Pal., 2d App., 1897, p. 778.— Clarke, Geol. Minne- 

 sota, 3, pt. 2, 1897, p. 791. 



