232 AMERICAN FOSSIL BRYOZOA [bull. 173. 



Dichotrypa intermedia Ulrich — Continued. 



1894. Dichotrypa intermedia. Keyes, Missouri Geol. Surv., V, p. IS. 

 St. Louis: Alton and Columbia, Illinois; St. Louis, Missouri. 



Dichotrypa lyroides Ulrich. 



1890. Dichotrypa lyroides. Ulrich, Geol. Surv. Illinois, VIII, p. 502, pi. Ixxvii, 

 2-26. 

 St. Louis: Southern Kentucky. 



DICRANOPORA Ulrich. Genotype: Ptilodictya internodia Miller and 

 Dyer. 

 1882. Dicranopora. Ulrich, Jour. Cincinnati Soc. Nat. Hist., V, pp. 152, 160. 



1889. Dicranopora. Miller, North American Geol. Pal., p. 300. 



1890. Dicranopora. Ulrich, Geol. Surv. Illinois, VIII, ]>. 389. 



1897. Dicranopora. Simpson, Fourteenth Ann. Rep. State Geologist New York 

 for the year 1894, p. 545. 



Dicranopora emacerata (Nicholson). 



1875. Ptilodictya emacerata. Nicholson, Ann. Mag. Nat. Hist., ser. 4, X\', p. 



179, pi. xiv, 3-36. 

 1875. Ptilodictya emacerata. Nicholson, Pal. Ohio, II, p. 261, pi. xxv, 5-56. 

 1889. Dicranopora emacerata. LTlrich, Contr. Micro-Pal. Cambro-Sil., Part II, 



p. 40. 



1895. Dicranopora emacerata. Whiteaves, Pal. Fo.ss., Ill, p. 118. 

 Cincinnati (Lorraine and Richmond): Cincinnati, Ohio, and vicinity; 



Stony Mountain, Manitoba. 



Dicranopora fragilis (Billings). 



1866. Ptilodictya fragilis. Billings, Catal. Sil. Foss. Anticosti, p. 9. 



1882. Stictopora fragilis. Whitfield, Geol. Surv. Wisconsin, IV, ]>. 253, pi. xi, 24. 

 1889. Dicranopora fragilis. Ulrich, Contr. Micro-Pal. Cambro-Sil., Part II, ]). 40. 

 1895. Dicranopora fragilis. Whiteaves, Pal. Foss., Ill, p. 118. 



Anticosti: Anticosti Island. 



Cincinnati (Richmond): Iron Ridge, Wisconsin; Stony Mountain, ]\Iani- 

 toba. 



Dicranopora granulosa (Hall and Simpson). 



1883. Escharopora (Ptilodictya) lirata (in part). Hall, Rep. State Geologist 



New York for the year 1882, pi. xvii, 5, 6. 

 1887. Rhinidictya ? granulosa. Hall and Simpson, Pal. New York, VI, p. 40, 



pi. xvii, 5, 6, pi. xxiii A, 18, 19. 

 1897. Rhinidictya granulosa. Simpson, Fourteenth Ann. Rep. State Geologist 



New York for the year 1894, pi. x, 3-5. 

 Lower Helderberg: Clarksville, New York. 



Dicranopora internodia (Miller and Dj^er). 



1878. Ptilodictya internodia. Miller and Dyer, Contr. to Pal., No. 2, p. 7, pi. iv, 



7,7«. 

 1882. Dicranopora internodia. Ulrich, Jour. Cincinnati Soc. Nat. rfist., V, \). 



166, pi. vii, 9, 9((. 

 1889. Dicranopora internodia. Miller, North American Geol. Pal., fig. 471 (p. 

 300). 

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

 Obs. See also Helopora ? ? meeki James. 



Dicranopora lata Ulrich. See Rhinidictya lata (Ulrich). 



