224 AMERICAN FOSSIL BRYOZOA. [bull. 173. 



Cystodictya ovatipora (Hall) — Continued, 



1886. 8tk'topora ovatipora. Hall, Fifth Ann. Rep. State Geologist New York 



for the year 1885, pi. xxvii, 12-19. 



1887. Stictopora ovatipora. Hall and Simpson, Pal. New York, VI, p. 93, pi. 



xxvii, 12-19 (not pi. xxviii, 23, 23a). 

 1890. Cystodictya ovatipora. Ulrich, Geol. Surv. Illinois, VIII, p. 492. 



1897. Cystodictya ovatipora. Simpson, Fourteenth Ann. Rep. State Geologist 



New York for the year 1894, pi. x, 18, 19. 

 Not Stictopora ovatipora. Miller, North American Geol. Pal., fig. 518 



(p. 324), = Stictotrypa similis (Hall). 

 Hamilton: Falls of the Ohio. 



Cystodictya perarcta (Hall). 



1883. Stictopora perarcta. Hall, Trans. Albany Institute, X, p. 157 (abstract, 

 1881, p. 15). 



1886. Stictopora perarcta. Hall, Fifth Ann. Rep. State Geologist New York 



for the year 1885, pi. xxix, 36, 37. 



1887. Stictopora perarcta. Hall and Simpson, Pal. New York, VI, p. 96, pi. 



xxix, 36, 37. 

 1890. Cystodictya perarcta. Ulrich, Geol. Surv. Illinois, VIII, p. 492. 

 Upper Helderberg: Onondaga Valley, New York. 



Cystodictya pustulosa Ulrich. 



1890. Cystodictya pustulosa. Ulrich, Geol. Surv. Illinois, VIII, p. 495, pi. Ixxvi, 



2, 2a. 

 1894. Cystodictya pustulosa. Keyes, Missouri Geol. Surv., V, p. 17. 



Keokuk: Kings Mountain, Kentucky; Keokuk, Iowa; Warsaw and 

 Nauvoo, Illinois. 



Cystodictya recta (Hall and Simpson). 



1887. Stictopora recta. Hall and Simpson, Pal. New York, A^I, p. 253. 



1891. Stictopora recta. Hall, Tenth Ann. Rep. State Geologist New York for the 



year 1890, p. 47; Forty-fourth Ann. Rep. New York State Mus., p. 77. 

 1899. Stictopora recta. Grabau, Bull. Buffalo Soc. Nat. Sci., VI, p. 173. 

 Hamilton: West Hamburg, New York. 



Cystodictya rectilinea (Hall and Simpson). 



1887. Stictopora rectalinea. Hall and Simpson, Pal. New York, VI, p. 245, pi. 

 Ixiii, 23. 



1890. Cystodictya rectalinea. Ulrich, Geol. Surv. Illinois, VIII, p. 492. 



1891. Stictopora rectalinea. Hall, Tenth Ann. Rep. State Geologist New York 



for the year 1890, p. 40; Forty-fourth Ann. Rep. New York State Mus., 

 p. 70. 



1898. Cystodictya rectilinea. AVhiteaves, Contr. Canadian Pal., I, p. 377. 

 Hamilton: West Williams, Ontario. 



Cystodictya rigida (Hall). 



1883. Stictopora rigida. Hall, Trans. Albany Institute, X, p. 156 (abstract, 



1881, p. 14). 

 1883. Stictopora rigida. Hall, Rep. State Geologist New York for the year 1882, 



pi. (28) XXV, 15, 16. 

 1887. Stictopora rigida. Hall and Simpson, Pal. New York, VI, p. 91, pi. xxviii, 



15, 16. 

 1890. Cystodictya rigida. Ulrich, Geol. Surv. Illinois, VIII, p. 492. 

 Upper Helderberg: Near Le Roy, New York. 



