124 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Beyrichia tuberculata noetlingi (Reuter). 



Beyrichia Noetlingi Reuter, Zeits. d. d. geol. Gesell., 37, 1885, p. 637, pi. 25, 



figs. 5a, 5b. 

 Beyrichia tuberculata var. noetlingi Jones, Contr. Micro. Pal. Geol. Surv. Canada, 3, 



1891, p. 78, pi. 11, figs. 4a, b, 5. 



Silurian: Europe; Stonehouse Brook, Arisaig, Nova Scotia. 



BEYRICHIA TUBERCULATA var. PUSTULOSA Jones. See Beyrichia pustulosa. 



Beyrichia tuberculata strictispiralis Jones. 



Beyrichia tuberculata var. strictispiralis Jones, Cont. Micro-Pal., Geol. Surv. 



Canada, pt. 3, 1891, p. 77, pi. 11, fig. 1. 

 Silurian: Arisaig, Nova Scotia. 



Beyrichia tumida (Ulrich). 



Ctenobolbina tumida Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1890, p. 11, 



pi. 7, figs. 5a-5b. 

 Beyrichia tumida Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 285; p. 



292, fig. 24; p. 294, fig. 33. 



Richmond (lower): McKinneys and Moreland, Kentucky. 

 Eolotype and ple#iotype.Ca,t. Nos. 41326, 41327, U.S.N.M. 



BEYRICHIA TUMIFRONS Hall. See Ctenobolbina ciliata. 



Beyrichia venusta Billings. 



Beyrichia venusta Billings, Geol. Surv. Canada, Cat. Sil. Foss. Anticosti, 1866, 



p. 68. 



Beyrichia decora Billings, ibid., p. 67. 

 Anticostian (Jupiter River): East Point, Chaloupe River, Jumpers, etc., Arti- 



costi. 

 Observation. B. decora was based on the female form of B. venusta. 



Beyrichia waldronensis Ulrich and Bassler. 



Beyrichia waldronensis Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 



286, pi. 27, figs. 9, 10. Grabau and Shimer, N. A. Index Fossils, 2, 1910, 



p. 355, fig. 1663b, c. 

 Niagaran (Waldron): Waldron, Indiana. 

 Cotypes. Cat. No. 41660, U.S.N.M. . 



BEYRICHIA WALLPACKENSIS Weller. See Klcedenia wallpackensis. 



BILLINGSELLA Hall and Clarke. Genotype: Orthis coloradoensis Shumard. 



Kutorgina Hall and Clarke (not Walcott), Pal. New York, 8, pt. 1, 1892, pp. 90-94. 



Billingsella Hall and Clarke, llth Ann. Rep. State GeoT. New York, 1892, p. 273; 



45th Ann. Rep. New York State Mus., 1892, p. 589; Pal. New York, 8, pt, 1, 



1892, pp. 230-231. Schuchert (part), Bull. U. S. Geol. Surv., 87, 1892, p. 

 158. Walcott (part), Proc. U. S. Nat. Mus., 28, 1905, pp. 227-229. Grabau 

 and Shinier, N. A. Index Fossils, 1, 1907, p. 210. Walcott, Smiths. Misc. 

 Coll., 53, 1908, pp. 142 and 148, pi. 11; Mon. U. S. Geol. Surv., 51, 1912, p. 

 749. Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 380. 



Billingsella coloradoensis (Shumard). 



Orthis coloradoensis Shumard, Trans. Acad. Sci. St. Louis, 1, 1860, p. 627. 

 Orthis pepina Hall, 16th Ann. Rep. New York State Cab. Nat. Hist., 1863, pp. 



134-135, pi. 6, figs. 23-27. Whitfield, Geol. Wisconsin, 4, pt. 3, 1882, pp. 



170-171, pi. 1, figs. 4, 5. 

 Orthis? (Orthisina?) pepina Hall, 2d Ann. Rep. State Geol. New York, 1883, pi. 



8, figs. 1, 2. 



