BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1155 



Sedgwickia? compressa Meek. 



Sedgwiekia? compressa Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 324; 

 Geol. Siirv. Ohio Pal., 1, 1873, p. 144, pi. 12, figs. 7a, b.— Miller, Cincinnati 

 Quart. Jour. Sci., 1, 1874, p. 219. — Lesley, Geol. Surv. Pennsylvania, Rep. 

 P 4, 1890, p. 946, figs. 



Maysville (Fairmount) : Cincinnati, Ohio. 



Sedgwickia? divaricata Hall and Whitfield. Not recognized. 



Sedgwickia? divaricata Hall and Whitfield, Geol. Surv. Ohio Pal., 2, 1875, p. 89, 

 pi. 2, fig. 3.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 940, fig — 

 Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 280. 

 Richmond: Blanchester, Ohio. 



Observation. — Based on a greatly compressed shell, probably a young specimen 

 of Whiteavesia pholodiformis. 



Sedgwickia? fragilis Meek. 



Sedgwickia? fragilis Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 323; 

 Geol. Surv. Ohio Pal., 1, 1873, p. 143, pi. 12, figs. 3a, b — Miller, Cincinnati 

 Quart. Join - . Sci., 1, 1874, p. 219. — Lesley, Geol. Surv. Pennsylvania, Rep. 

 P 4, 1890, p. 946, fig.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. 

 Indiana, 190S, p. 1020, pi. 48, figs. 4, 4a. 

 Maysville: Cincinnati, Ohio. 

 .Observation. — Founded on greatly compressed specimen. 



Sedgwickia(?) lunulata Whitfield. See Rhytimya lunulata. 



Sedgwickia (Grammysia?) neglecta Meek. See Cuneamya neglecta. 



SEELYA Ulrich. Genotype: S. ventricosa Ulrich. 



Pleurotomaria (part) of authors. 

 Seelya Ulrich, Geol. Minnesota, 3, pt. 2, 1897, pp. 958, 1011. 



Seelya cassandra (Billings). 



Murchisonia Cassandra Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 189, 



fig. 171. 

 Seelya cassandra Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1011 (gen. ref.). 

 Ozarkian? (Levis-erratics) : Point Levis, Quebec. 



Seelya difficilis (Whitfield). 



Pleurotomaria difficilis Whitfield, Bull. Amer. Mus. Nat. Hist., 3, 1890, p. 33, pi. 



1, figs. 17, 18.— Seely, Vermont State Geol. Rep., 7, 1910, pi. 57, fig. 8. 

 Canadian (Beekmantown) : Fort Cassia, Vermont. 

 Plesioty pes— Cat. No. 28136, U.S.N.M. (Ulrich). 



Seelya mundula Ulrich. 



Seelya mundula Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1012, pi. 70, figs. 11-12. 

 Maysville (Fairmount): Cincinnati, Ohio, and vicinity. 

 Cotypes.— Cat. No. 45995, U.S.N.M. 



Seelya(?) (Plethospira?) ulrichi Schuchert. 



Seelya(?) (Plethospira?) ulrichi Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 



106, pi. 12, figs. 9, 10. 

 Mohawkian: Head of Frobisher Bay, Baffin Land. 

 Cotypes.— Cat. No. 28187, U.S.N.M. 



Seelya ventricosa Ulrich. 



Seelya ventricosa Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1009, figs. 7b-d. 

 Pleurotomaria ventricosa Miller, X. A. Geol. Pal., 2d App., 1897, p. 769. 

 Canadian (Beekmantown): Fort Casein, Vermont. 

 Holotype— Cat. No. 45996, U.S.N.M. 



