11 SO BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Rhytimya scaphula (Miller and Faber). 



Orthodesma scaphula Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 17, 

 1894, p. 145, pi. 8, figs. 10, 11. Miller, N. A. Geol. Pal., 2d App., 1897, p. 

 . 783, fig. 1447. 

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



Rhytimya sinuata Ulrich. 



Rhytimya sinuata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 619, pi. 36, figs. 



46, 47. 



Orthodesma sinuatum Miller, N. A. Geol. Pal., 2d App., 1897, p. 784 (gen. ref.). 

 Trenton (Prosser) : Near Wykoff, Minnesota. 

 Holotype.C&t. No. 46306, U.S.N.M. 



RIBEIRELLA Shubert and Waagen. See Technophorus Miller. 



RIBEIRIA Sharpe. Genotype: R. pholandiformis Sharpe. 



Ribeiria Sharpe, Quart. Jour. Geol. Soc. London, 9, 1853, p. 157. Billings, Pal. 

 Foss., 1, Geol. Surv. Canada, 1865, pp. 339, 340 (Ribeirina proposed in case 

 his species should be distinct). Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 

 1886, p. 343. Miller, N. A. Geol. Pal., 1889, p. 566. Cleland, Bull. Amer. 

 Pal., 3, 1890, p. 132 (260). Jones, Rep. 59th Meeting British Assoc. Adv. Sci., 

 1890, p . 66. Schubert and Waagen, Jahrb. d. k. k. geol. Reichsanst, 53, 

 1903, pp. 33, 41. Clarke, Mem. New York State Mus., 6, 1904, p. 406, expl. 

 pi. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 374. Bassler, 

 Zittel-Eastman Textb. Pal., 1913, p. 733. 



Ribeiria calcifera Billings. 



Ribeiria? calcifera Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 340, figs. 

 326a-c. Miller, N. A. Geol. Pal., 1889, p. 566, fig. 1055. Schubert and 

 Waagen, Jahrb. geol. Reichsanst, 53, 1903, p. 42, pi. 1, figs. la-c. Grabau and 

 Shimer, N. A. Index Fossils, 2, 1910, p. 374, fig. 1675. 

 Canadian (Beekmantown) : Leeds and Grenville Counties, Quebec. 



Ribeiria compressa Whitfield. 



Ribeiria compressa Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 344, pi. 

 33, figs. 3-5. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 909, 

 fig. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 374. 



Canadian (Beekmantown): Fort Cassin, Vermont. 



Ribeiria? longiuscula Billings. 



Ribeiria? longiuscula Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 341, fig. 

 327. Schubert and Waagen, Jahrb. geol. Reichsant, 53, 1903, p. 43, pi. 1, 

 fig. 2. 

 Canadian (Beekmantown) : Leeds and Grenville Counties, Canada. 



RH>eiria? nuculitiformis Cleland. 



Ribeiria? nuculitiformis Cleland, Bull. Amer. Pal., 3, 1900, p. 133 (261), pi. 16, 



figs. 10-14. 

 Canadian (Tribes Hill): Near Fort Hunter, New York. 



Ribeiria nuculitiformis equilatera Cleland. 



Ribeira nuculitiformis var. equilatera Cleland, Bull. Amer. Pal., 3, 1900, p. 134 



(262), pi. 16, fig. 15. 

 Canadian (Tribes Hill): Fort Hunter, New York. 



Ribeiria parva Collie. 



Ribeina parva Collie, Bull. Geol. Soc. Amer., 14, 1903, p. 419, pi. 59, figs. 4, 5. 

 Canadian (Beekmantown) : Bellefonte, Pennsylvania. 



