1106 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Retzia sinuata Miller. See Rhynchospira(?) sinuata. 



Retzia sobrina Beeclier and Clarke. See Homceospira sobrina. 



RHABDARIA Billings. Genotype: R. fragilis Billings. 



Rhabdaria Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 357.— Miller, 

 N. A. Geol. Pal., 1889, p. 164. 



Rhabdaria fragilis Billings. 



Rhabdaria fragilis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 357— Rauff, 



Palaeontographica, 40, 1894, p. 245. 

 Canadian (Romaine): Mingan Islands, Quebec. 



Rhabdaria fnrcata Billings. 



Rhabdaria furcata Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 358. — 



Rauff, Pal., 40, 1894, p. 245. 

 Canadian (Romaine) : Mingan Islands, Quebec. 



Rhabdinopora flabelliformis Eichwald. See Dictyonema flabelliforme. 



RHAPHANOCRINUS Wachsmuth and Springer. 



Genotype: Glyptocrinus subnodosus Walcott. 

 Rhaphanocrinus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 

 1885, p. 320 (Rev. Pal., pt. 3, sec. 1, p. 98).— (Ehlert, Ann. des Sci. Geol., 19, 

 1887.— Miller, N. A. Geol. Pal., 1889, p. 277.— Wachsmuth and Springer, 

 Mem. Mus. Comp. Zool. Harvard, 20, 1897, p. 258.— Wachsmuth, Zittel- 

 Eastman Textb. Pal., 1, 1900, p. 145.— Bather, Treatise on Zool., pt. 3, 

 Echinoderma, London, 1900, p. 200. — Springer, Zittel-Eastman Textb. Pal., 

 2d ed., 1913, p. 187. 



Rhaphanocrinus gemmeus Hudson. 



Rhaphanocrinus gemmeus Hudson, Bull. New York State Mus., 80, 1905, p. 280, 



fig. 6, pi. 2, figs. 1-5. 

 Chazyan (Valcour): Valcour Island, Lake Champlain, New York. 



Rhaphanocrinus sculptus (Miller). 



Glyptocrinus sculptus Miller, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 37, 



pi. 1, fig. 2; ibid., 6, 1883, p. 224.— James, ibid., 19, 1897, p. 116. 

 Rhaphanocrinus sculptus Wachsmuth and Springer, Mem. Mus. Comp. Zool. 



Harvard, 20, 1897, p. 260, pi. 10, fig. 3. 

 Richmond (Liberty): Waynesville, Ohio. 

 Cotypes.— Cat. No. 40772, U.S.N.M. 



Rhaphanocrinus subnodosus (Walcott). 



Glyptocrinus? subnodosus Walcott, 35th Rep. New York State Mus. Nat. Hist., 



1883, p. 208, pi. 17, fig. 3.— Miller, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, 



p. 227. 

 Rhaphanocrinus subnodosus Wachsmuth and Springer, Proc. Acad. Nat. Sci. 



Philadelphia, 1885, p. 321 (Rev. Pal.,pt. 3, sec. 1, p. 99); Mem. Mus. Comp. 



Zool. Harvard, 20, 1897, p. 259, pi. 11, fig. 2. 

 Trenton: Trenton Falls, New York. 



RHINIDICTYA Ulrich. Genotype: Rhinidictya nicholsoni Ulrich. 



Stictopora (part) Hall, Pal. New York, 1, 1847, p. 73.— Ulrich, Geol. Surv. 

 Illinois, 8, 1890, p. 388. 



Rhinidictya Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 152. — Hall and 

 Simpson, Pal. New York, 6, 1887, p. 20.— Miller, N. A. Geol. Pal., 1889, 

 p. 320.— Ulrich, Geol. Minnesota, 3, 1893, p. 124.— Pocta, Syst. Sil. Centr« 



