404 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Dlabolocrlnus perplexus Wachsmuth and Springer. 



Diabolocrinus perplexiis Wachsmuth and Springer, Mem. Mub. Oomp. Zool. 



Harvard, 20, 1897, p. 250, pi. 11, fig. la, b. 

 t'hazyan (Ottosee): Near Knoxville, Tennessee. 



Diabolocrinus vesperalls (White). 



Rhodocrinus vesperalis \Vhite, Proc. U. S. Nat. Mub., 2, 1880, p. 259, pi. 1, tiga. 



11, 12; 12th Ann. Rep. U. S. Geol. Surv. Terr., 1883, p. 129, pi. 35, figs. 4a, b. 

 Diabolocrinus vesperalis Wachsmuth and Springer, Mem. Mus. Comp. Zool., 



Harvard, 20, 1897, pp. 251, 262, pi. 11, figs. Ic-, d.— Wood, Bull. U. S. Nat. 



Mus., 64, 1909, p. 104. 

 Gilbertsocrinites americanus Troost, Proc. Amer. Absoc. Adv. Sci., 2, 1850, p. 61 



(nom. nud.). 

 Lyriocrinus Bculptilus Miller (not Hall, 1851), Jour. Cincinnati Soc. Nat. Hist., 



5, 1882, p. 83, pi. 3, figs. 6a, b; p. 117 (corrected to L. sculptus on private 



edition). 

 Archseocrinus sculptus Wachsmutli and Springer, Proc. Acad. Nat. Sci. Philadel- 

 phia, 1885, p. 320 (Rev. Pal., pt. 3, sec. 1, 1885, p. 98).— Miller, N. A. Geol. 



Pal., 1889, p. 225, fig. 250. 

 Chazyan (Ottosee) : Near Knoxville, Tennessee. Erroneously cited by 'White (1880) 



from the Coal Measares near Humboldt, Kansas, and by Miller (1882) from 



the Helderbergian of Tennessee. 

 Holotype and jjlesiotype.— Cat. Nos. 39970, 80321, U.S.N.M. 



DiAGONiELLA Rauff. See Protospongia Salter. 



DiAMESOPORA Ulrich (part). See Coeloclema Ulrich. 



DIAMESOPORA Hall. Genotype: D. dichotoma Hall. 



Diamesopora Hall, Pal. New York, 2, 1852, p. 158 (not defined).— Pictet, Traits 



de Pal., 2d ed., 4, 1857, p. 170.— Hall and Simpson, Pal. New York, 6, pp. 15, 



19.— Miller, N. A. Geol. Pal., 1889, p. 300.— Simpson, 14th Ann. Rep. State 



Geol. New York for 1894, 1897, p. 566.— Nickles and Bassler, Bull. U. S. Geol. 



Surv., 173, 1900, p. 54, 229.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 



175; Bull. New York State Mus., 45, 1901, p. 175.— Bassler, Bull. U. S. Geol. 



Surv., 292, 1906, p. 62.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, 



p. 165. 

 Diamesopora communis Ulrich. See Coeloclema commune. 



Diamesopora dichotoma Hall. 



Diamesopora dichotoma Hall, Pal. New York, 2, 1852, p. 158, pi. 40, fige. 3a-d.— 

 Rominger, Proc. Acad. Nat. Sci. Philadelphia, 1866, p. 118.— Grabau, Bull. 

 New York State Mus. 45, 1901, p. 175, fig. 78; Bull. Buffalo Soc. Nat. Sci., 7, 

 1901, p. 175, fig. 78.— Bassler. Bull. U. S. Geol. Surv., 292, 1906, p. 62, pi. 21, 

 figs. 12, 13; pi. 24, figs. 28-30.— Grabau and Shimer, N. A. Index Fossils, 1, 

 1907, p. 166, fig. 216a, b. 



Clinton (Rochester): Lockport, Rochester, etc., New York; Hamilton and 

 Grimsby, Ontario. 



Plesiotype— Cat. No. 35759, U.S.N.M. 



Diamesopora infrequens (Hall). 



Trematopora infrequens Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, 

 pi. 10, figs. 13, 14 (in error for 3, 4); ibid., Mus. ed., 1879, p. Ill, pi. 10, fig. 3 

 (in part), 4; 11th Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 232, pi. 9, figs. 3 

 (in part), 4.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890 p. 1200, figs. 



Cceloclema infrequens Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 258. 



Diamesopora infrequens Ulrich, Geol. Surv. Illinois, 8, 1890, p. 467. 



Niagaran (Waldron): Waldron, etc., Indiana; Newsom, Tennessee. 



