BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 813 



Modiolopsis august ata Ulrich. 



Modiolopsis angustata Ulrich, Amer. Geol., 5, 1890, p. 283, fig. ]0a-c. 

 Eden (Southgate): Covington, Kentucky. 

 Holotype.— -Cat. No. 46241, U.S.N.M. 



Modiolopsis angustifrons Whiteaves. 



Modiolopsis angustifrons Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, 



p. 183, pi. 20, fig. 4. 

 Black River or Richmond: Lower Fort Garry, Lake Winnipeg, Manitoba. 



Modiolopsis anodontoides Hall. See Modiolopsis sinuata. 



Modiolopsis arcuata Hall. 



Modiolopsis arcuatus Hall, Pal. New York, 1, 1847, p. 159, pi. 35, fig. 8. 

 Avicula subarcuata Emmons, Amer. Geology, 1, pt. 2, 1855, p. 176, pi. 13, fig. 31. 

 Modiolopsis subarcuata D'Orbigny, Prodr. Pal., 1, 1850, p. 13. 

 Trenton: Herkimer, New York. 



Modiolopsis arguta Ulrich. 



Modiolopsis arguta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 506, pi. 36, figs. 3-6. 

 Black River (Decorah): Minneapolis, St. Paul, Fountain, etc., Minnesota. 

 Coty pes. —Cat. Nos. 46242, 46243, U.S.N.M. 



Modiolopsis aviculoides Hall. See Prolobella aviculoides. 



Modiolopsis cancellata Walcott. See Whiteavesia cancellata. 



Modiolopsis capax Miller. 



Modiolopsis capax Miller, N. A. Geol. Pal., 1889, pp. 489, 490, fig. 851. 

 Richmond: Versailles, Indiana. 



Observation. — Belongs to M. pholadiformis group. Not recognizable from 

 description or figure. 



Momolopsis oarinata Hall. See Goniophora carinata. 



Modiolopsis <\\ rrollensis Worthen. See OrthoHesma subnasutum. 



Modiolopsis chalfieldensis Ulrich. 



Modiolopsis chatfieldensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 508, pi. 3(i, 



figs. 9-10. 

 Black River (Decorah; : Chatfield, Minnesota. 

 Holotype— Cat. No. 46244, U.S.N.M. 



Modiolopsis ctnctnnatiensis Hall and Whitfield. See Whiteavesia cincinnatiensis. 



Modiolopsis concava Ulrich. 



Modiolopsis concava Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 



1892, p. 227, fig. 13; Geol. Minnesota, pt. 2, 1894, p. 509, pi. 36, figs. 15, 



16, I6a. 

 Black River (Decorah): Near Cannon Falls, Minnesota. 

 Holotype.— Cat. No. 4624(1, U.S.N.M. 



Modiolopsis coiicenlrica Hall and Whitfield. 



Modiolopsis concentrica Hall and Whitfield, Pal. Ohio, 2, 1875, p. 86, pi. 2, 

 lit;. 1 8.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 510, pi. 37, figs. 15and 16.— 

 Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1009, pi. 17, 

 fig. 3.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 512, fig. 686a.— 

 Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 283. 



Richmond ( Waynesville) : Waynesville, etc., Ohio; Indiana; Kentucky. 



Plesiotypcs.— Cat. No. 46245, U.S.N.M. 



