1236 BULLETIN 92, UNITED STATES NATIONAL MUSEUM, 



Strophomena trentonensis Continued. 



Strophomena subtenta Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 251, 



pi. 9, fig. 18. 

 Strophomena trentonensis Winchell and Schuchert, Geol. Minnesota, 3, 1893, 



p. 389, pi. 30, fig. 41. Grabau and Shimer, N. A. Index Fossils, 1, 1907, 



p. 223, fig. 272a. 

 Trenton: Cannon Falls, Minneapolis, and Fountain, Minnesota; Janesville and 



Beloit, Wisconsin; Frankfort, Kentucky; Nashville, Tennessee; Trenton 



Falls, New York. 



Strophomena trilobata (Owen). 



Leptsena trilobata Owen, Geol. Surv. Wisconsin, Iowa, Minnesota, 1852, p. 584, 

 pi. 2, figs. 17, 18. 



Strophomena trilobata Miller, American Pal. Fossils, 1877, p. 138. Lesley, Geol. 

 Surv. Pennsylvania, Hep. P 4, 1890, p. 1134, figs. Winchell and Schuchert, 

 Geol. Minnesota, 3, 1893, p. 395, pi. 31, figs. 12, 13. Whiteaves, Pal. Foss., 3, 

 pt. 3, 1897, pp. 169, 241. Grabau and Shimer, N. A. Index Fossils, 1, 1907, 

 p. 223, fig. 271g-h. 



Trenton: Turkey Biver, Iowa; Goodhue County, Minnesota (Prosser); Lake Win- 

 nipeg, Manitoba. 



Holotype.C&t. No. 17875, U.S.N.M. 



STROPHOMENA? ULRICHI James. See Kafinesquina ulrichi. 

 STROPHOMENA UNDULATUS Vanuxem. See Leptsena rhomboidalis. 

 STROPHOMENA UNDULOSA Conrad. See Leptaena rhomboidalis. 

 STROPHOMENA UNICOSTATA Meek and Worthen. See Leptaena unicostata. 

 STROPHOMENA VARISTRIATA Conrad. See Stropheodonta varistriata. 



Strophomena vetusta (James). 



Strep torhynchus (Strophomena) vetusta James, Cincinnati Quart. Jour. Sci., 1, 



1874, p. 241. 

 Streptorhynchus vetusta Mickelborough and Wetherby, Jour. Cincinnati Soc. 



Nat. Hist., 1, 1878, p. 76. James, Paleontologist, 2, 1878, p. 15. 

 Strophomena vetusta Foerste, Amer. Geol., 31, 1903, p. 338, 340; Bull. Sci. Lab. 



Denison Univ., 17, 1912, p. 98, pi. 6, figs. 2a-h. 

 Richmond (Waynesville- Whitewater): Ohio, Indiana, and Kentucky. 



Strophomena vetusta approximata (James). 



Streptorhynchus approximata James, Paleontologist, 2, 1878, p. 15; ibid. 5, 1881, 



p. 43. 



Strophomena approximata Foerste, Amer. Geol., 31, 1903, p. 342 (loc. occ.). 

 Strophomena vetusta-approximata Foerste, Bull. Sci. Lab. Denison Univ., 17, 



1912, p. 101, pi. 6, figs. la-d. 

 Richmond (Liberty or Whitewater): Dearborn County, Indiana. 



Strophomena vetusta precursor Foerste. 



Strophomena vetusta-precursor Foerste, Bull. Sci. Lab. Denison Univ., 17, 1912, 



pi. 10, figs. la-c. 

 Richmond (Waynesville): Two and one-half miles west of Clarksville, Ohio, etc. 



Strophomena vicina Foerste. 



Strophomena vicina Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 317, pi. 



7, fig. 12a, b; 17, 1912, p. 28, pi. 7, fig. 2. 

 Trenton (Wilmore-Perry ville) : Becknerville, Carnestown, Flanagan, Versailles, 



etc., Kentucky. 



