1250 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Syntrophia arachne (Billings). 



Stricklandia? Arachne Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 85, 



fig. 77, p. 419 (adv. sheets, 1862). 



Syntrophia arachne Hall and Clarke, Nat. Hist. New York, 8, pt. 2, 1893, p. 216. 

 Ozarkian? (Levis erratics): Point Levis, Quebec. 



Syntrophia arethusa (Billings). 



Stricklandinia? Arethusa Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 85, 



fig. 78 (adv. sheets, 1862). 



Syntrophia arethusa Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 216. 

 * Ozarkian? (Levis erratics): Point Levis, Quebec. 



Syntrophia(?) armanda (Billings). 



Orthis Armanda Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 303, fig. 293. 



Hall and Clarke, Pal. New York, 8, pt. 1, 3892, p. 217. 

 Syntrophia(?) armanda Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 440. 

 Canadian (Beekmantown) : Phillipsburg, Quebec. 



Syntrophia calcifera (Billings). 



Camarella calcifera Billings, Canadian Nat. Geol., 6, 18C1, p. 318, fig. 3; Geol. 



Canada, 1863, p. 231, fig. 247; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 220. 



Meek, 6th Ann. Rep. U. S. Geol. Surv.iTerr., 1873, p. 464. 

 Triplecia? calcifera Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270. 

 Syntrophia? calcifera Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 218, pi. 



62, fig. 24. Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 800, pi. 104, figs. la-i. 

 Canadian: Point Levis, Phillipsburg, etc., Quebec (Beekmantown): Cow Head. 



Newfoundland (Quebec P). 

 Plesiotypes. Cat. Nos. 17279, 52476, U.S.N.M. 



SYNTROPHIA CALCIFERA Grabau and Shimer. See Syntrophia nundina. 



Syntrophia campbelli Walcott. 



Syntrophia campbelli Walcott, Smiths. Misc. Coll., 53, 1908, pp. 107-108, pi. 10, 



figs. 9, 9a-c; Mon. U. S. Geol. Surv., 51, 1912, p. 801, figs. 73a-f. 

 Canadian (Beekmantown) : Bunker Hill, six miles northeast of Rogersville, 



Hawkins County, Tennessee. 

 Cotypes.C&t. No. 52480, U.S.N.M. 



Syntrophia lateralis (Whitfield). 



Triplesi? lateralis Whitfield, Bull. Amer. Mus. Nat. Hist., 1886*j>. 303, pi. 24, 

 figs. 9-11. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1225, figs. 

 Seely, Vermont State Geol. Rep., 7, 1910, pi. 62, figs. 9-11. 



Syntrophia lateralis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270; ibid., 

 8, pt. 2, 1893, p. 216, pi. 62, figs. 1-lt); 13th Ann. Rep. State Geol. New York, 

 2, 1894, pp. 836, 837, pi. 45, figs. 7-12. Weller, Geol. Surv. New Jersey, 

 Pal., 3, 1903, p. 126, pi. 4, figs. 14, 15. Walcott, Mon. U. S. Geol. Surv., 51, 

 1912, p. 802, fig. 11, p. 299; pi. 102, figs. 6, 6a-g. 



Canadian (Beekmantown): Fort Cassin, Vermont; Fort Hunter, New York; 

 Columbia, New Jersey. 



Plesiotypes Cat. No. 33447, U.S.N.M. 



SYNTROPHIA MULTICOSTA Hudson. See Clitambonites multicostus. 



Syntrophia nundina Walcott. 



Triplesia calcifera Walcott (not Billings), Mon. IT. S. Geol. Surv., 8, 1884, pp. 



75-76, pi. 11, figs. 7 and 8. 

 Syntrophia calcifera Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 271, fig. 



325. 



