238 AMERICAN FOSSIL BRYOZOA. [bull. 173. 



Eridotrypa ? obliqua (Ulrich). 



1890. Batostomella obliqua. Ulrich, Geol. Surv. Illinois, VIII, p. 433, pi. xlvi, 



2-2c. 

 1893. Eridotrypa obliqua. Ulrich, Geol. Minnesota, III, p. 265. 

 Hamilton: Alpena, Michigan. 



Eridotrypa simulatrix (Ulrich). 



1890. Batostomella simulatrix. Ulrich, Geol. Surv. Illinois, VIII, p. 432, pi. 

 XXXV, 1-1^. 



1893. Eridotrypa simulatrix. Ulrich, Geol. Minnesota, III, p. 265. 



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



XVI, p. 194. 

 Cincinnati (Richmond): Clarksville, Waynesville, and other localities in 

 Ohio; Weisberg and Versailles, Indiana; Savannah, Illinois. 



Eridotrypa trentonensis (Nicholson). 



1863. Stenopora fil)rosa (not of Goldfuss). Billings, Geol. Canada, p. 156, fig. 116 

 [Foord]. 



1881. Monticulipora (Heterotrypa) Trentonensis. Nicholson, Genus Monticuli- 

 pora, p. 149, fig. 28. 



1883. Monotrypella Trentonensis. Foord, Contr. Micro-Pal. Cambro-Sil., p. 15. 



1883. Monotrypella trentonensis. Ulrich, Jour. Cincinnati Soc. Nat. Hist., VI, 

 p. 83. 

 Trenton: Peterboro, Ontario. 



Eschara Lamarck. Not Paleozoic. 



Eschara bifurcata Van Cleve (Mss.). See Pachydictj^a bifurcata (Hall). 

 Eschara ? concentrica Prout. See Cystodictya ? concentrica (Prout), 

 Eschara ovatopora Troost. Not recognizable. 



1840. Escharia ovatopora. Troost, Fifth Geol. Rep. Tennessee, p. 75. 

 Lower Silurian: Tennessee. 



Eschara ramosa Van Cleve (Mss.). See Phtenopora limbriata (James). 

 Eschara reticulata Troost. Not recognizable. 



1840. Escharia reticulata. Troost, Fifth Geol. Rep. Tennessee, p. 75. 

 Lower Silurian: Tennessee. 



Eschara 'i tuberculata Prout. Not recognizable. 



1858. Eschara ? tuberculata. Prout, Trans. St. Louis Acad. Sci. , I, p. 234. 

 Carboniferous: Organ Mountains, New Mexico. 



Escharina ? distorta James. See Rhinopora verrucosa Hall. 



ESCHAROPORA Hall. Genotype: Escharopora recta Hall. 



1847. Escharopora. Hall, Pal. New York, I, p. 72. 

 1860. Escharopora. Eichwald, Lethtea Rossica, I, p. 435. 

 1889. Escharopora. Miller, North American Geol. Pal., p. 301. 

 1893. Escharopora. Ulrich, Geol. Minnesota, III, p. 167. 

 1896. Escharopora. Ulrich, Zittel's Textb. Pal. (Engl.ed.), p. 279. 

 1886. Nicholsonia. Waagen and Wentzel, Pal. Indica, Ser. XIII, p. 874. 

 Ptilodictya (in part). Various authors. 



Escharopora acuminata (James). 



1875. Ptilodictya acuminata. James, Catal. Foss. Cincinnati Group, p. 3. 

 1893. Escharopora acuminata. Ulrich, Geol. Minnesota, III, p. 167. 

 Cincinnati ( Utica) : Cincinnati, Ohio, and vicinity. 



