BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 443 



Dinorthls (Valcourea) deflect a Continued. 



Strophomena recta Conrad, Proc. Acad. Nat. Sci. Philadelphia, 1, 1843, p. 332. 



Hall, 12th Rep. New York State Cab. Nat. Hist,, 1859, p. 70. Emmons, 



Amer. Geology, 1, pt. 2, 1855, p. 199. 



Leptsena deflecta Hall, Pal. New York, 1, 1847, p. 113, pi. 31B, fig. 5. 

 Leptama recta Hall, ibid., 1847, p. 113, pi. 31B, fig. 6. 

 Streptorhynchus rectus Miller, Amer. Pal. Foss., 1877, p. 134. 

 Streptorhynchus deflectum Miller, N. A. Geol. Pal., 1889, p. 378. 

 Plaesiomys deflecta Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 197, 222, 



pi. 5A, figs. 28-34. 



Plaesiomys recta Hall and Clarke, ibid., 1892, pp. 197, 222. 

 Plaesiomys loricula Hall and Clarke, ibid., 1892, pp. 197, 341, pi. 5A, figs. 31-34. 

 Orthis (Dinorthis) deflecta Winchell and Schuchert, Geol. Minnesota, 3, 1893, 



p. 422, pi. 32, figs. 24-30. 

 Orthis (Plaesiomys) loricula Hall and Clarke, 48th Rep. New York State Mus., 2, 



for 1895, 1897, p. 339, pi. 4, figs. 7-9; 14th Rep. State Geol. New York for 



1894, 1897, p. 339, pi. 4, figs. 7-9. 

 Dinorthis deflecta Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 252, fig. 



303a-d. 

 Black River: Mineral Point, Beloit, Janesville, Wisconsin; Dixon, Illinois; 



Minneapolis, St. Paul, etc., Minnesota; McGregor, Iowa; central Tennessee; 



Highbridge, Kentucky. 

 Stone River: Central Tennessee. 



Dinorthis fontinalis (White). 



Strophomena fontinalis White, Wheeler's Expl. and Surv. West 100th Merid., 



4, 1875, p. 54, pi. 3, fig. 4; Prelim. Rep., p. 10, 1874. 

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

 Middle Ordovician: Fish Spring, House Range, Utah. 

 Cotypes. Cat. No. 17223, U.S.N.M. 



Dinorthis (Plaesiomys) iphigenia (Billings). 



Orthis iphigenia Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 133, pi. 110 



(adv. sheets, 1862). 



Plsesiomys iphigenia Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 222. 

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

 Trenton: Ottawa, Ontario. 



Dinorthis meedsi (Winchell and Schuchert). 



Orthis meedsi Winchell and Schuchert, Amer. Geol., 9, April 1, 1892, p. 289. 

 Orthis minnesotensis Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, April 9, 1892, 



p. 332, pi. 5, figs. 14-17. 

 Orthis (Dinorthis) meedsi Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 



427, pi. 32, figs. 39-42. 

 Dinorthis meedsi Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 253, fig. 



303e-h. 

 Trenton (Prosser): Cannon Falls, Kenyon, Preston, etc., Minnesota; Decorah and 



McGregor, Iowa; Neenah and Oshkosh, Wisconsin. 



Dinorthis meedsi arctica (Schuchert). 



Orthis (Dinorthis) meedsi var. arctica Schuchert, Proc. U. S. Nat. Mus., 22, 1900, 



p. 157, pi. 12, figs. 7, 8. 



Mohawkian: Head of Frobisher Bay, Baffin Land. 

 Cotypes. Cat. No. 28152, U.S.N.M. 



