420 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. (bull. 87. 



Stropheodonta beckei Hall — Coutiiiued. 



Stroi)heu(lout;i(Leptostroi)liia) becki Hall and Clarke, Pal, New York, VIII, Pt. I, 



1892, p. 288, pi. 13, ligs. 23, 21. 

 Loc. Albany ami Schoharie counties. New York ; Kennedy C!haunel, xVrctic region. 



Stropheodonta blainvillei (Billings). Lower Devonian. 



Strophomena blainvillei Billings, Pal. Koseils, II, 1874, p. 28, pi. 2, fig. 1; pi. 3, 



fig. 1. 

 Stropheodonta (Leptostrophia) blainvillii Hall and Clarke, I'al. New York, VIII, 



Pt. I, 1892, p. 288. 

 Loc. Ga8p6, Canada. 

 Ohi. Compare with S. per]ilana. 



Stropheodonta callawayensis Swallow. Hamilton (Dev.). 



Strophodonta callawayensis, quadrata, and a-qnicostata Swallow, Trans. St. 



Louis Acad. Sci., I, 1860, p. 638. 

 Loc. Callaway County, Missouri. 



Ohs. See S. navalis. 



Stropheodonta callosa Hall. Upper Helderberg (Dev.). 



Strophodonta callosa Hall, Sixteenth Rep. N. Y. State Cal). Nat. Hist., 1863, 



p. 36;— Pal. New York, IV, 1867, p. 82, pi. 11, figs. 1-10; pi. 12, figs. 8, 9. 

 Chonetes (Strophodonta?) callosa Hall, Second Ann. Rep. N. Y. State Geol., 



1883, pi. 47, fig. 37. 

 Stropheodonta callosa Hall and Clarke, YIII, Pt. 1, 1892, pi. 16, fig. 37. 

 Loc. Albany County, New Y'ork. 



Stropheodonta calvini Miller. Chemung (Dev.). 



Strojihodonta quadrata Calvin (non Swallow, 1860), Bull. U. S. Geol. Geogr. 



Survey Terr., IV, 1878, p. 728. 

 Strophodonta calvini Miller, Cat. American Pal. Foss., 2d cd., January, 1883, 



p. 298.— Walcott, Men. IT. S. Geol. Survey, VIII, 1884, p. 122, pi. 13, fig. 6. 

 Strophodonta exilis Calvin, American Jour. Sci., 3d ser., XXV, June, 1883, p. 443. 

 Loc. Rockford and Independence, Iowa ; Eureka district, Nevada. 



Stropheodonta canace Hall and Whitfield. Oheniimg (Dev.). 



Strophodonta canace Hall and Whitfield, Twenty-third Rep. N. Y. State Cab. 

 Nat. Hist., 1873, p. 236, pi. 11, figs. 8-11; abstract of same in 1872; — King's 

 U. S. Geol. Expl. 40th Pari., IV, 1877, p. 246, pi. 3, figs. 1-3. 



L.oc. Rockford, Iowa; White Pine district, Nevada; Naples, New York. 



Stropheodonta cincta A. Wincbell. Hamilton (Dev.). 



Strophodonta cincta A. Winchell, Rep. Lower Peninsula Michigan, 1866, p. 93. 

 Loc. Grand Traverse region, Michigan. 

 Ohs. Insufficiently defined to be recognized. 



Stropheodonta concava Hall. ( 'orniferous and Hamilton (Dev.). 



strophomena (Strophodonta) concava Hall, Tenth Rep. N. Y. State Cab. Nat. 



Hist., 1857, pp. 115, 140, fig. 1. 

 Strophodonta concava Hall, Pal. New \ ork, IV, 1867, p. 96, pi. 16, figs, la-lh; — 



Second Ann. Rep. N. Y. State Geol., 1883, pi. 45, figs. 16-22. 

 Stropheodonta concava Hall and Clarke. Pal. New York, VIII, Pt. I, 1892, pi. 14, 



figs. 16-23. 

 Loc. New York, from Cayuga Lake westward to Lake Erie. 



Stropheodonta corrugata (Conrad). Clinton (Sil.). 



Strophomena corrugata Conrad, Jour. Acad. Nat. Sci. Philadelphia, VIII, 1842, p. 



256, pi. 14, fig. 8.— Hall, Geol. N. Y. ; Rep. Fourth Dist., 1813, p. 7.3, fig. 2 on p. 



72;— Twelfth Rep. N. Y. State Cab. Nat. Hist., 1859, p. 82.— Foerste, Proc. Bos- 



ton Soc. Nat. Hist., XXIV, 1890, p. 303, pi. 6, fig. 25. 



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