scHUCHEET.] INDEX AND BIBLIOGRAPHY. 339 



Rafinesquina incrassata (Hall). Ohazy and Black Kiver (Ord.). 



Leptsena incrassata Hall, Pal. New York, I, 1847, p. 19, pi. 4 bis, fig. 2. — Rogers, 



Geol. Pennsylvania, II, Pt. II, 1858, p. 817, fig. 591. 

 Strophomena incrassata Billings, Canadian Nat. Geol., IV, 1859, p. 443. 

 Loc. Chazy, New York; Mingau Island, Canada. 



Rafinesquina kingi (Whitfield). Lorraine (Ord.). 



Strophomena kingi Whitfield, Ann. Rep. Geol. Survey Wisconsin, 1877, p. 72; — 



Geol. Wisconsin, IV, 1882, p. 261, pi. 12, figs. 15, 16. 

 Rafinesquina alternata var. loxorhytis Winchell and Schuchert, Minnesota Geol. 



Survey, III, 1893, p. 407, pi. 31, figs. 35-37; pi. 32, figs. 59, 60. 

 Rafinesquina kingi Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 283. 

 Loc. Delafield, Wisconsin; near Spring Valley, Minnesota. 



Rafinesquina lata Wbiteaves. Lorraine (Ord.). 



Rafinesquina lata Whiteaves, Canadian Rec. Sci., 1895, p. 392; — Whiteaves, Pal. 



Foss., Ill, Pt. Ill, 1897, p. 172, pi. 19, figs. 2-5. 

 Loc. Red River Valley and Lake Winnipeg, Manitoba. 



Rafinesquina mesicosta (Shumard). % Trenton (Ord.). 



Leptiena mesacosta Shumard, Geol. Rep. Missouri, 1855, p. 205, PL C, fig. 2. — 



Keyes, Geol. Survey Missouri, V, 1895, p. 76. 

 Loc. Cape Girardeau, Missouri. 



Rafinesquina minnesotaensis (N. H. Winchell). Trenton (Ord.). 



strophomena deltoidea Owen (non Conrad), Geol. Expl. Iowa, Wisconsin, and 



Illinois, 1844, pi. 16, fig. 8; pi. 17, fig. 6. 

 Leptiena deltoidea Owen, Geol. Rep. Wisconsin, Iowa, and Minnesota, 1852, p. 



620, tab. 2B, fig. 10 (not the middle figure). 

 Strophomena incrassata Hall (non 1847), Geol. Wisconsin, 1, 1862, p. 42, fig. 16. — 



Hall (hon 1847), Second Ann. Rep. N. Y. State Geol., 1883, pi. 38, figs. 1-5. 

 Strophomena minuesotensis N. H. Winchell, Ninth Ann. Rep. Geol. Nat. Hist. 



Survey Miuuesota, 1881, p. 120. 

 Rafinesquina minuesotensis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, 



p. 283. — Winchell and Schuchert, Minnesota Geol. Survey, III, 1893, p. 401, 



pi. 31, figs. 25-29. 

 Loc. Minneapolis, etc., Minnesota; Beloit, Wisconsin; Decorah and McGregor, 



Iowa; central Kentucky ; Lebanon, Tennessee. 

 Obs. This species is probably not identical with R. incrassata (Hall) of the 



Chazy terrane. 



Rafinesquina minnesotaensis inquassa (Sardeson). Trenton (Ord.). 



Strophomena inquassa Sardeson, Bull. Minnesota Acad. Nat. Sci., Ill, 1892, p. 



334, pi. 5, figs. 22-24. 

 Rafinesquina minnesotensis Aar. iuciuassa Winchell and Schuchert, Minnesota 



Geol. Survey, III, 1893, p. 403, pi. 31, figs. 27, 28. 

 Loc. Minneapolis and St. Paul, Minnesota; Mineralpoint, Wisconsin. 



Rafinesquina nitens (Billings). Lorraine (Ord.). 



strophomena nitens Billings, Canadian Nat. Geol., V, 1860, p. 53, fig. 1; — i'al. 



Fossils, I, 1862, p. 118, fig. 97;— Geol. Canada. 1863, p. 209, fig. 208. 

 Rafinesquina nitens Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 283. 

 Loc. Anticosti. 



Rafinesquina (?) obscura Hall. Clinton (Sil.). 



Leptwna obscura Hall, Pal. New York, II, 1852, pp. 62, 103, pi. 21, figs. 2, 6. 

 Strophomena obscura Hall, Twelfth Rep. N. Y. State Cab. Nat. Hist., 1859, p. 82. 

 Strophomena obscura? Foerste, Proc. Boston Soc. Nat. Hist., XXIV, 1890, p. 306, 



pi. 6, figs. 15, 16. 

 Rafinesquina ? obscura Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 283. 

 Loc. Near Utica and Kirkland, New York; Cumberland Gap, Tennessee. 



