498 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



ESCHARA COMPRESSA Van Cleve. See Phsenopora magna. 

 ESCHARA MULTIFIDA Van Cleve. See Phsenopora multifida. 



Eschara ovatopora Troost. Not recognizable. 



Escharia ovatopora Troost, 5th Geol. Rep. Tennessee, 1840, p. 75. 

 Ordovician: Near Nashville, Tennessee. 



ESCHARA RAMOSA Van Cleve. See Phaenopora fimbriata. 



Eschara reticulata Troost. Not recognizable. 



Escharia reticulata Troost, 5th Geol. Rep. Tennessee, 1840, p. 75. 

 Ordovician: Near Nashville, Tennessee. 



ESCHARINA DISTORTA James. See Rhinopora verrucosa. 



ESCHAROPORA Hall. Genotype: E. recta Hall. 



Escharopora Hall, Pal. New York, 1, 1847, p. 72. Eichwald, Lethaea Rossica, 

 1, 1860, p. 435. Miller, N. A. Geol. Pal., 1889, p. 301. Ulrich, Geol. Min- 

 nesota, 3, 1893, p. 167; Zittel's Textb. Pal. (Engl. ed.), 1896, p. 279. Nickles 

 and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 45. Grabau and Shimer, 

 N. A. Index Fossils, 1, 1907, p. 156. Cumings, 32d Ann. Rep. Dep. Geol. 

 Nat. Res. Indiana, 1908, p. 745. Bassler, Bull. U. S. Nat. Mus., 77, 1911, 

 p. 115; Zittel-Eastman Textb. Pal., 1913, p. 345. 



Nicholsonia Waagen and Wentzel, Pal. Indica, 13th ser., 1886, p. 874. 



Ptilodictya (in part) of various authors. 



Escharopora acuminata (James). 



Ptilodictya acuminata James, Catal. Foss. Cincinnati Group, p. 3. 



Escharopora acuminata Ulrich, Geol. Minnesota, 3, 1893, p. 167. Bassler, Proc. 



U. S. Nat. Mus., 30, 1906, p. 36. Cumings, 32d Ann. Rep. Dep. Geol. Nat. 



Res. Indiana, 1908, p. 829. 

 Sagenella striata James, Paleontologist, No. 3, 1899, p. 22. Bassler, Proc. U. S. 



Nat. Mus., 30, 1906, p. 53. 

 Eden: Cincinnati, Ohio, and vicinity. 

 Observation. Sagenella striata was founded upon the expanded base of this 



species. 



Escharopora angularis Ulrich. 



Escharopora angularis Ulrich, Geol. Minnesota, 3, 1893, p. 168, pi. 12, figs. 1-4, 



30, 31. Bassler, Zittel-Eastman Textb. Pal., 1913, p. 344, fig. 504a. 

 Black River (Platteville and Decorah): Minneapolis, etc., Minnesota; High 



Bridge, Kentucky. 

 Cotypes.Cat. No. 43538, U.S.N.M. 



ESCHAROPORA (PTILODICTYA) ANGTJSTA Hall. See Ptilodictya angusta. 



Escharopora briareus (Ulrich). 



Ptilodictya briareus Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 165, 



pi. 7, figs. 6-6b. 

 Escharopora briareus Ulrich, Geol. Minnesota, 3, 1893, p. 167. Nickles and 



Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 239. 



Stones River (Lebanon): Lebanon, Shelbyville, and Columbia, Tennessee. 

 Eolotype.Cat. No. 43728, U.S.N.M. 



Observation. The form called by Saffora Ptilodictya multiramis (not defined) 

 is probably referable to this species. 



Escharopora confluens Ulrich. 



Escharopora confluens Ulrich, Geol. Minnesota, 3, 1893, p. 171, pi. 13, figs. 1-11. 

 Black River (Decorah): Minneapolis, etc., Minnesota, 

 Cotypes. Cat. No. 43539, U.S.N.M. 



