1116 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Rhombotrypa quadrata Continued. 



Monticulipora multituberculata Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 



1878, p. 71; Geol. Surv. Wisconsin, 4, 1882, p. 250, pi. 11, figs. 9, 10. Buel, 



Trans. Wisconsin Acad. Sci., 5, 1882, p. 190. 

 Richmond: A common and characteristic species of almost all the divisions of 



the Richmond in North America. 

 Plesiotypes.Czt. No. 35401, U.S.N.M. (Hayes and Ulrich). 



Rhombotrypa spinulifera Bassler. 



Rhombotrypa spinulifera Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 37, pi. 10, 



figs. 13-16; pi. 25, fig. 21. 

 Clinton: Lockport and Rochester, New York; Thorold, Ontario (Rochester); 



Osgood, Indiana (Osgood). 

 Cotypes.C&t. Nos. 35494, 35495, U.S.N.M. 



Rhombotrypa subquadrata (Ulrich). 



Monotrypella subquadrata Ulrich, Jour Cincinnati Soc. Nat. Hist., 5, 1882, p. 



249, pi. 11, figs. 4r-4b. 

 Monticulipora quadrata var. subquadrata J. F. James, Jour. Cincinnati Soc. Nat. 



Hist., 16, 1894, p. 199. 

 Rhombotrypa subquadrata Ulrich and Bassler, Smiths. Misc. Coll. Quart., 47, 



1904, pp. 45, 46 (gen. ref.). Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. 



Indiana, 1908, p. 877, pi. 23, figs. 3-3b. 

 Richmond ( Waynesville) : Osgood, etc., Indiana; Blanchester, Hanover, and 



Oregonia, Ohio. 

 Cotypes Cat. No. 43685, U.S.N.M. 



RHOPALONARIA Ulrich. Genotype: R. venosa Ulrich. 



Ropalonaria Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 26; ibid., 5, 

 1882, p. 149. Vine, Ann. Mag. Nat. Hist., 5th ser., 14, 1884, p. 84, fig. 4. 



Rhopalonaria Vine, Proc. Yorkshire Geol. Polyt. Soc., 9, 1887, p. 185. Miller, 

 N. A. Geol. Pal., 1889, p. 321 Ulrich, Geol. Surv. Illinois, 8, 1890, p. 367. 

 Vine, Proc. Yorkshire Geol. Polyt. Soc., 12, 1892, p. 91. Pocta, Syst. Sil. 

 Centre Boheme, 8, pt. 1, 1894, p. 13. Simpson, 14th Ann. Rep. State Geol. 

 New York for 1894, 1897, p. 603. Nickles and Bassler, Bull. U. S. Geol. 

 Surv., 173, 1900, p. 19. Ulrich and Bassler, Smiths. Misc. Coll. (quart, 

 issue), 45, 1904, pp. 266, 267. Bassler, Bull. U. S. Geol. Surv., 292, 1906, 

 p. 11. Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 166. Cumings, 

 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 755. 



Rhopalonaria attenuata Ulrich and Bassler. 



Rhopalonaria attenuata Ulrich and Bassler, Smiths. Misc. Coll. (quart, issue), 45, 



1904, p. 268, pi. 66, figs. 4, 5. Bassler, Bull. U. S. Geol. Surv., 292, 1906, pp. 



11, 12, pi. 4, figs. 4, 5. Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 166. 



Ulrich and Bassler, Maryland Geol. Surv., Low Dev., 1913, p. 259, pi. 46, fig. 1. 

 Clinton (Rochester): Lockport, Rochester, etc., New York; Ontario; Juniata 



County, Pennsylvania. 



Helderbergian (Keyser): Cash Valley, Maryland. 

 Cotypes. Cat. No. 43116, U.S.N.M. 



RHOPALONARIA PERTENUIS Ulrich. See Corynotrypa delicatula. 



Rhopalonaria venosa Ulrich. 



Ropalonaria venosa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 26, pi. 



7, figs. 24, 24a. 

 Rhopalonaria venosa Miller, N. A. Geol. Pal., 1889, fig. 511 (p. 321). Ulrich, 



Geol. Minnesota, 3, 1893, p. 114, fig. 8e. Simpson, 14th Ann. Rep. State 



