456 BULLETIN" 92, UNITED STATES NATIONAL MUSEUM. 



Diplostenopora silurlaua (Weller). 



Escharopora siluriana Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 225, pi. 18, 

 figs. 6-7; pi. 19, figs. 8, 9. 

 - Diplostenopora silui'iana Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 



1913, p. 277, pi. 45, figs. 3-6; pi. 48, figs. 1-3; pi. 52, figs. 3-4. 

 Helderbergian: Two miles south Tristates, New York (Decker Ferry); Cash 

 Valley, etc., near Cumberland, Maryland (Keyser). 



DiPLOTRTPA Nicholson (part). See Mesotrypa Ulrich. 



DIPLOTRYPA Nicholson. Genotype: Favosites petropolitanus Pander. 



Diplotrypa Nicholson, Pal. Tab. Corals, 1879, p. 292; Genus Monticulipora, 1881, 

 pp. 101, 155.— Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 153.— 

 Foord, Contr. Micro-Pal. Cambro-Sil., 1883, p. 13. — Roemer, Leth. geog., 1, 

 Leth. Pal., 1883, p. 472.— Miller, N. A. Geol. Pal., 1889, p. 187.— Ulrich, 

 Geol. Surv. Illinois, 8, 1890, pp. 378, 457.— Rominger, Amer. Geol., 6, 1890, 

 pp. 116-119.— Ulrich, Geol. Minne30ta, 3, 1893, p. 285; Zittel's Textb. Pal. 

 (Engl, ed.), 1896, p. 275; also (not Uhich) p. 104 (in part).— Nickles and 

 Bassler, Bull. U.S. Geol. Surv., 173, p. 36.— Bassler, Bull. U. S. Geol. Surv., 

 292, 1906, p. 47; Zittel-Eastman Textb. Pal., 1913, p. 338; Bull. U. S. Nat. 

 Mus., 77, 1911, pp. 312, 313. 



Callopora (not Hall) Dybowski, Die Cheetetiden d. Ostb. Silur-Form., 1877, 

 p. 106. 



Diplotrypa? diibia Ulrich. 



Diplotrypa? dubia Uhich, Geol. Surv. Illinois, 8, 1890, p. 459, pi. 33, figs. 3-3b. 

 Monticulipora dubia J. F. James, Jour. Cincinnati Soc. Nat. Hist., IG, 1894, 



p. 182. 

 Dianulites dubia Miller, N. A. Geol. Pal., 2d App., 1897, p. 728 (gen. ref.). 

 Richmond (Fernvale): "Wilmington, Illinois. 

 Sections of holotype.—€at. No. 43390, U.S.N.M. 



Diplotrypa infida Ulrich. See Mesotrypa Infida. 



Diplotrypa llmitarls Ulrich. 



Diplotrypa limitaris Ulrich, Geol. Minnesota, 3, 1893, p. 286, fig. 18. — Sardeson, 



Jour. Geol., 9, 1901, p. 8, pi. A, figs. 3, 4. 

 Dianulites limitaris Miller, N. A. Geol. Pal., 2d App., 1897, p. 728 (gen. ref.). 

 Trenton (Prosser): Goodhue County, Minnesota. 

 flbZofype.— Cat. No. 43534, U.S.N.M. 



Diplotrypa milleri Ulrich. See Mesotrypa nummiformis, 



Diplotrypa neglecta Ulrich, 



Diplotrypa neglecta Uhich, Geol. Minnesota, 3, 1893, p. 287, fig. 19. 

 Dianulites neglecta Miller, N. A. Geol. Pal., 2d App., 1897, p. 728 (gen. ref.). 

 Trenton (Prosser) : Hader, Minnesota. 

 Eolotype.—C&t. No. 43533, U.S.N.M. 



Diplotrypa patella Ulrich. See Mesotrypa patella. 



Diplotrypa Quebecensis Ami. See Mesotrypa quebecensis. 



Diplotrypa regulahis Foord. See Mesotrypa regularis. 



