444 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. 



Dlnorthis meedsl germana (Winchell and Schuchert). 



Orthis meedsi var. germana Winchell and Schuchert, Amer. Geol., 9, 1892, p. 290. 

 Orthis (Dinorthis) meedsi var. germana Winchell and Schuchert, Geol. Minnesota, 



3, 1893, p. 428, pi. 32, figs. 43-45. 

 Dinorthis meedsi germana Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 215. 

 Trenton (Prosser): Cannon Falls, Kenyon, and Fountain, Minnesota. 



Dinorthis pectinelia (Emmons). 



Orthis pectinelia Emmons, Geol. New York, Rep. 2d Dist., 1842, p. 394, fig. 2.— 

 Owen, Amer. Jour. Sci. Arts, 47, 1844, p. 366, fig. 2.— Hall, Pal. New York, 

 1, 1847, p. 123, pi. 32, fig. 10.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 

 193, pi. 9, figs. 10, 11, a, b.— Billings, Can. Nat. Geol., 1, 1857, p. 205, fig. 5.— 

 Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 818, fig. 602. — Emmons, Manual 

 Geology, 1860, p. 99, fig. 88.— Billings, Geol. Canada, 1863, p. 165, fig. 147.— 

 Hitchcock, Geol. Vermont, 1, 1862, p. 294, fig. 202.— Chapman, Canadian 

 Jour., n. s., 7, 1862, p. Ill, fig. 92; ibid., 8, 1863, p. 199, fig. 184; Expos. Min., 

 Geol. Canada, 1864, p. 115, fig. 91; p. 171, fig. 183.— Chamberlin, Geol. Wis- 

 consin, 1, 1883, p. 155, fig.— Hall, 2d Ann. Rep. New York State Geol., 1883, 

 pi. 34, figs. 39, 40.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 

 527, figs. 



Orthis pectinelia var. semiovalis Hall, Pal. New York, 1, 1847, p. 124, pi. 32, fig. 

 11.— Miller, N. A. Geol. Pal., 1889, p. 359. 



Dinorthis pectinelia Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 195, 222, 

 228, pi. 5, figs. 27-33.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 154, 

 pi. 9, figs. 29, 30.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 253, 

 fig. 303i-l.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 24, fig. 2. 



Orthis (Dinorthis) pectinelia Winchell and Schuchert, Minnesota Geol. Survey, 

 3, 1893, p. 424, pi. 32, figs. 31-34.— WTiiteaves, Pal. Fossils, 3, pt. 3, 1897, 

 p. 175. 



Orthis charlotte Winchell, 8th Rep. Geol. Nat. Hist. Surv. Minnesota, 1880, p. 67. 



Upper Black River and Early Trenton: Middleville, Trenton Falls, etc.. New 

 York; Pennsylvania; Mercer County, Kentucky; Ontario; Decorah, Iowa; 

 St. Paul, Minneapolis, and Cannon Falls, Minnesota; Lake Winnipeg, Canada; 

 Tennessee; Virginia. 



Dinorthis pectinelia sweeneyi (N. H. Winchell). 



Orthis sweeneyi N. H. Winchell, 9th Rep. Geol. Nat. Hist. Surv. Minnesota, 1881, 



p. 117. 

 Dinorthis sweeneyi Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 196, 222, 



228, pi. 5, figs. 34-36. 

 Orthis (Dinorthis) pectinelia var. sweeneyi Winchell and Schuchert, Geol, 



Minnesota, 3, 1893, p. 426, pi. 32, figs. 35-38. 

 Black River (Decorah): St. Paul, Cannon Falls, etc., Minnesota; Decorah and 



McGregor, Iowa. 



Dinorthis (Plseslomys) platys (Billings). 



Orthis platys Billings, Canadian Nat. Geol., 4, 1859, p. 438, fig. 15; Geol. Canada, 



1863, p. 129, fig. 54.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 218.— 



Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1893, p. 424.— Lesley, 



Geol. Sur\\ Pennsylvania, Rep. P 4, 1889, p. 530, figs. 

 Dinorthis platys Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 216. 

 Plaesiomys platys Raymond, Ann. Carnegie Mus., 7, 1911, p. 238, pi. 35, figs. 13-14. 

 Chazyan: Montreal, Quebec; Crown Point, Valcour Island, and Chazy, New 



York (Crown Point); East Tennessee (Lenoir). 



