BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1325 



Whitella quadrangularis — Continued. 



Richmond: Clarksville, Waynesville, etc., Ohio (Waynesville); Savannah, 



Illinois; Spring Valley, Minnesota (Maquoketa). 

 Plesiotypes — Cat. Nos. 46355, 46356, U.S.N.M. 



Whitella rugatina Ulrich. 



Whitella rugatina Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 569, pi. 41, fig. 1. 

 Black River (Decorah): Minneapolis, Minnesota. 

 Holotype.— Cat. No. 46357, U.S.N.M. 



Whitella scofieldi Ulrich. 



Whitella scofieldi Ulrich, Amer. Geol., 6, 1890, p. 181, fig. 15e; p. 382, fig. 16a-c; 

 Geol. Minnesota, 3, pt. 2, 1894, p. 571, pi. 41, figs. 17-21.— Grahau and Shimer, 

 N. A. Index Fossils, 1 (3), 1909, p. 415, fig. 536a-b. 



Black River: St. Paul and Cannon Falls, Minnesota (Decorah); Beloit, Wiscon- 

 sin (Platteville). 



Holotype and plesiotype.— Cat. Nos. 46358, 46359, U.S.N.M. 



Whitella securiformis Foerste. 



Whitella securiformis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 299, pi. 



1, fig. 1. 

 ( incinnatian (Pulaski): Riviere des Hurons, Quebec. 



Whitella? sigruoidea (Billings). 



Cyrtodonta sigmoidea Billings, Canadian Nat., Geol., 3, 1858, p. 438; Geol. Surv. 



Canada, Rep. Progr. for 1857, 1858, p. 186; Cat. Sal. Foss. Anticosti, Geol. 



Surv. Canada, 1866, p. 13, fig. la, b. 

 Cypricardites sigmoidea Miller, N. A. Geol., Pal., 1889, p. 477 (gen. ref.). 

 Whitella? sigmoidea Ulrich, Geol. Minnesota, 3, pt. 2, 1891, p. 565 (gen. ref.). 

 Richmond (English Head and Charleton) and Gamachian (Ellis Bay): Macasty 



Bay, near West End Lighthouse, etc., Anticosti. 



Whitella(?) sAuriana Kindle and Breger. 



Y\'hitella(?) siluriana Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res., 



Indiana, 1894, p. 447, pi. 10, fig. 15. 

 Niagaran: Wabash, Indiana. 



Whitella sterlingensis (Meek and Worthen). 



Dolabra sterlingensis Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 



1866, p. 260; Geol. Surv. Illinois, 3, 1868, p. 399, pi. 4, fig. lOa-c. 

 Rhynchotropis sterlingensis Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 



327. 

 Cypricarditee sterlingenai'B Miller, < lincinnati Quart. Jour. Sci., 1, 1874, p. 218. — 



Whitfield, Jour. Cincinnati Soc. Nat, Hist., 1, 1878, p. 137. 

 Whitella sterlingensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p: 567, pi. 41, figs. 



27, 28. 

 Richmond (Maquoketa): Sterling, Illinois; Spring Valley, Minnesota; ?Rieh- 



mond, Indiana. 



Whitella subcarinata Ulrich. 



Whitella subcarinata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 572, pi. 41, figs. 



22, 23. 

 Trenton (Prosser): Near Wykoff, Minnesota. 

 Holotype.— Cat. No. 46361, U.S.N.M. 



