188 AMERICAN FOSSIL BRYOZOA. [bull. 173. 



Callopora ? crenulata Ulrich, 



1893. Callopora crenulata. Ulrich, Geol. Minnesota, III, p. 284, pi. xxii, 18-23. 

 Trenton (Black River and Trenton): St. Paul and Cannon Falls, Minne- 

 sota; Decorah, Iowa; Neenah, Wisconsin. 



Callopora dalei (Milne-Edwards and Haime). 



1851. Chtetetes Dalii. Milne-Edwards and Haime, Pol. Foss. Terr. Pal., p. 266, 



pi. xix, 6, 6a. 

 1854. Monticulipora Dalii. Milne-Edwards and Haime, British Foss. Corals, 



p. 265. 

 1 860. Monticulipora Dalii. Milne-Edwards, Hist. Nat. des Corall. , III, p. 277. 



1881. Monticulipora (Heterotrypa) ramosa var. dalei. Nicholson, Genus Mon- 



ticulipora, p. 115, fig. 19, C, D, pi. ii, 4. 



1882. Callopora dalei. Ulrich, Jour. Cincinnati Soc. Nat. Hist. , Y, p. 252. 



1888. Monticulipora ramosa var. dalei. James and James, Jour. Cincinnati Soc. 

 Nat. Hist, X, p. 182. 



1894. Monticulipora ramosa var. dalei. J. F. James, Jour. Cincinnati Soc. Nat. 



Hist, XVI, p. 205. 



1874. Chsetetes approximatus. Nicholson,Quar. Jour. Geol. Soc. London, XXX, 



p. 502, pi. xxix, 3, Set. 



1875. Chjetetes approximatus. Nicholson, Pal. Ohio, II, p. 193, pi. xxi, 3. 



1883. Monticulipora approximatus. (Van Clave) Hall, Twelfth Ann. Rep. Indi- 



ana Geol. Nat. Hist., p. 250, pi. xi, 6. 

 Cincinnati ( Lorraine ) : 'Cincinnati, Ohio, and vicinity. 



Callopora ? ? diversa Hall. 



188.3. Callopora ? diversa. Hall, Trans. Albany Institute, X, p. 60 (abstract, 



1879, p. 4). 

 1882. Callopora ? diversa. Hall, Eleventh Ann. Rep. Indiana Geol. Nat. Hist., 

 p. 239. 

 Niagara: Waldron, Indiana. 



Obs. It is doubtful whether this species can be recognized in the absence 

 of figures, from the description given. 



Callopora dumalis Ulrich. 



bs93. Callopora dumalis. Ulrich, Geol. Minnesota, III, p. 282, pi. xxiii, 1-S. 



Trenton (Stones River and Black River): St. Paul and Cannon Falls, 

 Minnesota. 



Callopora elegantula Hall. 



1852. Callopora elegantula. Hall, Pal. New York, II, p. 144, pi. xl, la-)ii. 



1879. Callopora elegantula. Hall, Twenty-eighth Ann. Rep. New York State 



Mus., p. 115. 

 1882. Callopora elegantula. Hall, Eleventh Ann. Rep. Indiana Geol. Nat. Hist, 



p. 237. 

 1882. Callopora elegantula. ITlrich, Jour. Cincinnati Soc. Nat. Hist., V, ji. 250, 



pi. xi, 6-66. 

 U896. Callopora elegantula. Ulrich, Zittel's Textb. Pal. (Engl. Ed.), fig. 456, 



A, B (p. 274). 

 1897. Callopora elegantula. Simpson, Fourteenth Ann. Rep. State Geologist 



NeM' York for the year 1894, pi. xviii, 1-7. 

 Niagara: Lockport, New York; Waldron and Osgood, Indiana; Sterling, 



Illinois. 



Callopora exsul Hall. See Lioclema? exsul (Hall). 

 Callopora fistulosa Hall. See Lioclema cellulo.suni (Hall). 



