scHccHEET.] INDEX AND BIBLIOGRAPHY. 427 



Stropheodonta profunda Hall — Continued. 



Stropbeodonta (Brachyprion) profunda Hall and Clarke, Pal. New York, VIII, 



Pt. I, 1892, pi. 13, figs. 1-5 (? 19, 20); pi. 20, figs. 29-31; Pt. II, 1895, pi. 84, 



fig. 12. 

 Log. Lockport, New York; Waldron, Indiana; Bridgeport, Illinois; Racine, 



Wisconsin ; Louisville, Kentucky. 

 Stropheodonta textilis Hall. Coralline (Sil.). 



Stropheodonta textilis Hall, Pal. New York, TI, 1852, p. 327, pi. 74, fig. 6. 

 Stropheodonta (Leptostrophia) textilis Hall and Clarke, Pal. New York, VIII, 



Pt. I, 1892, p. 288. 

 Log. Schoharie, New York. 



Stropheodonta tullia (Billings). Upper Helderberg (Dev.). 



Strophoniena tullia Billings, Pal. Fossils, II, 1874, p. 29, pi. 2, fig. 6. 

 Stropheodonta (Leptostrophia) tnllia Hall and Clarke, Pal. New York, VIII, Pt. 



I, 1892, p. 288. 

 Loc. Mount Joli and Split Rock, Perc6, Canada. 



Stropheodonta variabilis Calvin. Chemung (Dev.). 



Strophodonta variabilis Calvin, Bull. U. S. Geol. Geogr. Survey Terr., IV, 1878, 



p. 727. 

 Stropheodonta variabilis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 



289, pi. 15B, figs. 4-6. 

 Loc. Independence, Iowa; Naples, New York. 



Stropheodonta varistriata (Conrad). Lower Helderberg (Dev.). 



Strophomena varistriata Conrad, Jonr. Acad. Nat. Sci. Philadelphia, VIII, 1842, 



p. 255, pi. 14, fig. 6.— Billings, Pal. Fossils, II, 1874, p. 26, pi 2, fig. 3. 

 Strophomena rectilateris Conrad, Jour. Acad. Nat. Sci. Philadelphia, VIII, 1812, 



p. 2.5.5, pi. 14, fig. 7. 

 Strophomena impressa Conrad, Ibidem, 1842, p. 255. 

 Strophodonta varistriata Hall, Pal. New York, III, 1859, p. 180, pi. 8, figs. 1-16; 



pi. 16, figs. 1-8;— Second Ann. Rep. N. Y. State Geol., 1883, pi. 44, figa. 6-16 



(? figs. 21, 22). 

 Stropheodonta (Brachyprion) varistriata Hall and Clarke, Pal. New York, VIII, 



Pt. I, 1892, pi. 13, figs. 6-16, 21, 22. 

 Loc. Albany and Schoharie counties. New York; Dalhousie, New Brunswick, 



and Gasp^, Canada. 



Stropheodonta varistriata arata Hall. Lower Helderberg (Dev.). 



Strophodonta varistriata var. arata Hall, Pal. New York, III, 18.59, p. 183, pi. 18, 



fig. 1;— Second Ann. Rep. N. Y. State Geol., 1883, pi. 44, figs. 17, 18. 

 Stropheodonta varistriata var. arata Hall and Clarke, Pal. New York, VIII, Pt. 



I, 1892, pi. 13, figs. 17, 18. 

 Loc. Hudson and Albany counties. New York; Arisaig, Nova Scotia (Ami). 



Stropheodonta vascularia Hall. Oriskany (Dev.). 



Strophodonta vascularia Hall, Pal. New York, III, 1859, p. 412, pi. 92, fig. 4; 



pi. 95, fig. 10 (?pl. 93, fig. 2). 

 Loc. Albany County, New York. . 



Stropheodonta (?) ventricosa (Shaler). Auticosti (Sil.). 



Brachyprion ventricosa Shaler, Bull. Mus. Comp. Zool., 4, 1865, p. 63. 

 Loc. Southwest Point, Auticosti. 



Strophodonta siequioostata Swallow=S. callawayensis. 

 Strophodonta altidorsata Swallow=S. navalis. 

 Strophodonta ampla Hall=Strophonella ampla. 



