1096 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Receptaculites arcticus — Continued. 



Jour. Geol. Soc. London, 40, 1884, p. 845. — Winchell and Sch.uch.ert, Geol. 

 Minnesota, 3, pt. 1, 1895, p. 59 (extras, 1893). 

 Ordovician: Cape Louis Napoleon and Cape Frazer, Arctic America. 



Receptaculites biconstrictus Ulrich. 



Receptaculites biconstrictus (Ulrich MS) Bassler, Bull. Virginia Geol. Surv., 2a, 



1909, pi. 21, figs. 4, 5. 

 Chazyan (Ottosee): Speer Ferry, Virginia, southward to Knoxville, Tennessee. 

 Cotypes.— Cat. No. 49578, U.S.N.M. 



Receptaculites calciferus Billings. 



Receptaculites calciferus Billings, Canadian Nat. Geol., 2d ser., 2, 1865, p. 190, 

 text. fig. 6; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 359, fig. 346; p. 834, 

 fig. 358. — Hinde, Quart. Jour. Geol. Soc. London, 40, p. 845. — Winchell and 

 Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 60 (extr., 1S93). 



Canadian (Romaine): Mingan Islands, Quebec. 



Receptaculites canadensis Billings. See Ischadites canadensis. 



Receptaculites circularis Emmons. See Ischadites circularis. 



Receptaculites dickhauti James. See Lepidolites dickhauti. 



Receptaculites dixonensis Miller and Gurley. 



Receptaculites dixonensis Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 



11, 1896, p. 47, pi. 5, figs. 21, 22.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 



723 figs. 1267-1268. 

 Trenton (Galena): Near Dixon, Illinois. 



Receptaculites? elegantulus Billings. 



Receptaculites? elegantulus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 



360, fig. 347.— Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, Pal., 1895, 



p. 61 (extras, 1893). 

 Canadian (Romaine): Mingan Islands, Quebec. 



Receptaculites ellipticus Walcott. 



Receptaculites ellipticus Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 67, pi. 11, 



fig. 12.— Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, Pal., 1895, p. 60 



(extr., 1893). 

 Upper Pogonip: White Mountain, Eureka District, Nevada. 

 Holotype.— Cat. No. 24548, U.S.N.M. 



Receptaculites elongatus "Walcott. 



Receptaculites elongatus Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 66. — Win- 

 chell and Schuchert, Geol. Minnesota, 3, pt. 1, Pal., 1895, p. 60. 

 Upper Pogonip: White Pine District, Nevada. 

 Cotypes.— Cat. No. 24635, U.S.N.M. 



Receptaculites formosus Meek and Worthen. See Receptaculites tessellatus. 



Receptaculites fungosum Hall. See Ischadites iowensis. 



Receptaculites globulare Hall. See Ischadites iowensis. 



Receptaculites hemisphericus (Hall). 



Receptaculites hemisphericum Hall, Rep. Supt. Geol. Surv. Wisconsin, 1861, 

 p. 16.— Whitfield, Geol. Wisconsin, 4, 1882, p. 269, pi. 13, fig. 4; Mem. Amer. 

 Mus. Nat. Hist., 1, pt. 2, 1895, p. 46, pi. 5, figs. 3, 4.— Grabau and Shimer, 

 N. A. Index Fossils, 1, 1906, p. 19. 



