scHtJCHERT.] INDEX AND BIBLIOGRAPHY. 369 



Rhynchotrema dentatum Hall. Trentou and Lorraine (Ord.). 



Atrypa clentata Hall, Pal. New York, I, 1847, p. 148, pi. 33, fig. 14. 

 Ehynchouella dentata Hall, Twelfth Rep. N. Y. State Cab. Nat. Hist., 1859, p. 



65.— Meek, Pal. Ohio, I, 1873, p. 121, pi. 11, fi^. 3.— Miller, Cincinnati Quart. 



Jour. Sci., II, 1875, p. 18. — White, Second Ann. Rep. Indiana Bureau of 



Statistics and Geol., 1880, p. 490, pi. 1, tigs. 12-14;— Tenth Rep. State Geol. 



Indiana, 1881, p. 122, pL 1, figs. 12-14. 

 Rhynchotrema dentata Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 185. 

 ?Rhynchonella dentata Keyes, Geol. Survey Missouri, V, 1895, p. 100, pi. 41, tig. 3. 

 Loc. Turin, New York; Dayton and Oxford, Ohio; Richmond, Indiana; near 



Nashville, Tennessee. 



Rhynchotrema formosum (Hall). Lower Helderberg (Dev.). 



Ehynchonella formosa Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 76, 

 tigs. 1-5;— Pal. New York, III, 1859, p. 236, pi. 35, tig. 6. 



Stenocisma formosa Hall, Pal. New York, IV, 1867, p. 334. — Hall and Clarke, 

 Ibidem, VIII, Pt. II, 1893, p. 187, pi. 56, figs. 41-45. 



Loc. Schoharie and Albany counties, New York; Lake Temiscouata, New Bruns- 

 wick, and Arisaig, Nova Scotia (Ami). 



Rhynchotrema ingequivalve (Castelnau). Trenton (Ord.). 



Spirifer iuipquivalvis Castelnau, Essai Systeme Sil. I'Am^rique Septentriouale, 



1843, p. 40, pi. 14, tig. 8. 

 Atrypa increbesceua (partim) Hall, Pal. New York, I, 1847, pp. 146, 289, pi. 33, 



tigs. 13a-13h ; ?pl. 79, tig. 6. 

 Ehynchonella increbescens (partim) Billings, Canadian Nat. Geol., I, 1856, p. 



207, tigs. 11-14.— Hall, Twelfth Rep. N. Y. State Cab. Nat. Hist., 1859, p. 



66.— Billings, Geol. Canada, 1863, p. 168, fig. 153.— Nettelroth, Kentucky 



Fossil Shells, Mem. Kentucky Geol. Survey, 1889, p. 83, pi. 34, figs. 26-29. 

 Ehynchonella argeuturbica White, Wheeler's Expl. and Survey west 100th 



Mend., IV, Prel. Eep., 1874, p. 14;— Ibidem, Final Rep., 1875, p. 75, pi. 4, 



fig. 12. 

 Trematospira (?) quadriplicata Miller, Cincinnati Quart. Jour. Sci., II, 1875, p. 



60, tigs. 6, 7. 

 Rhynchotreta quadriplicata Miller, N. American Geol. Pal., 1889, p. 370. 

 Rhynchonella minnesotensis Sardeson, Bull. Minnesota Acad Na£. Sci., Ill, 1892, 



p. 333, pi. 4, tigs. 21-23. 

 Rhynchotrema inisequivalvis Winchell and Schuchert, Minnesota Geol. Survey, 



III, 1893, p. 459, pi. 34, figs. 9-25.— Whiteaves, Pal. Fobs., Ill, Pt. Ill, 1897, 



p. 179. 

 Rhynchotrema increbescens Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, 



pp. 183, 185. 

 Loc. Drummonds Island (Castelnau); New York; Kentucky; Tennessee; Illi- 

 nois; Wisconsin; Iowa; Minnesota; Silver City, New Mexico; Ottawa, 



Canada; Lake Winnipeg, Manitoba. 

 Ohs. Compare Rhynchonella subtrigoualis. 



Rhynchotrema inaequivalve laticostatum Win. and Schucli. Trenton (Ord.). 

 Rhynchotrema ina^quivalvis var. laticostata W. and S., American Geol., IX, 



April 1, 1892, p. 293;— Minnesota Geol. Survey, III, 1893, p. 461, pi. 34, figs. 



20-29. 

 Rhynchonella saucta Sardeson, Bull. Minnesota Acad. Nat. Sci., Ill, April 9, 



1892, p. 333, pi. 4, tigs. 19, 20. 

 Loc. Cannon Falls, Minnesota. 



Rhynchotrema ottawaense (Billings). Trenton (Ord.). 



Porambonites? ottawaensis Billings, Pal. Fossils, 1, 1862, p. 140, fig. 117. 

 Bull. 87 24 



