360 AMEEICAN FOSSIL BRYOZOA. [bull. 173. 



Polypora burlingtonensis Ulrieh. 



1890. Polypora burlingtonensis. Ulrieh, Geol. Sur. Illinois, VIII, p. 587, pi. lix, 

 2, 2a. 

 Burlington: Burlington, Iowa; Henderson County, Illinois. 



Polypora carinella (Hall and Simpson). 



1883. Fenestella (Polypora) n. sp. (?). Hall, Rep. State (ieologist New York 



for the year 1882, pi. xxxiii, 1, 2. 

 1887. Fenestella (Polypora) carinella. Hall and Simpson, Pal. New York, VI, 

 p. 153, pi. xlii, 1, 2. 

 Tipper Helderberg: Near Buffalo, New Y'ork. 



Polypora celsipora (Hall). 



1883. Fenestella celsipora. Hall, Trans. Albany Institute, X, p. 165 (abstract, 



1881, p. 24). 



1883. Fenestella (Polypora) celsipora. Hall, Rep. State Geologist New York for 

 the year 1882, pi. xxxiii, 5-8, ? 9, 10. 



1886. Fenestella (Polypora) celsipora. Hall, Fifth Ann. Rep. State Geologist 



New York for the year 1885, pi. xli, 16-22, pi. xlii, 5-10. 



1887. Fenestella (Polypora) celsipora. Hall and Simpson, Pal. New York, VI, 



p. 150, pi. xli, 16-22, pi. lii, 5-10. 

 Upper Helderberg: Walpole, Ontario. 



Polypora celsipora-minima (Hall). 



1883. Fenestella celsipora var. minima. Hall, Trans. Albany Institute, X, p. 166 



(abstract, 1881, p. 24). 

 1883. Fenestella (Polypora) celsipora. Hall, Rep. State Geologist New York 

 for the year 1882, pi. xxviii, 1-4. 



1886. Fenestella (Polypora) celsipora var. minima. Hall, Fifth Ann. Rep. State 



Geologist New York for the year 1885, pi. xli, 11-13. 



1887. Fenestella (Polypora) celsipora var. minima. Hall and Simpson, Pal. 



New York, VI, p. 151, pi. xxxv, 1-4, pi. xli, 11-13. 

 Hamilton : Falls of the Ohio. 



Polypora celsipora-minor (Hall). 



1883. Fenestella celsipora var. minor. Hall, Trans. Albany Institute, X, p. 166 

 (abstract, 1881, p. 24). 



1886. Fenestella (Polypora) celsipora var. minor. Hall, Fifth Ann. Rep. State 



Geologist New Y^ork for the year 1885, pi. xli, 14, 15. 



1887. Fenestella (Polypora) celsipora var. minor. Hall and Simpson, Pal. New 



York, VI, p. 151, pi. xU, 14, 15. 

 Upper Helderberg: Walpole, Ontario. 



Polypora cestriensis Ulrieh. 



1890. Polypora cestriensis. Ulrieh, Geol. Sur. Illinois, VIII, p. 594, pi. Iv, 4-46, 



pi. Ix, 7-7c. 

 1894. Polypora cestriensis. Keyes, Missouri Geol. Sur., V, p. 29. 



Chester: Chester, Kaskaskia, and near Anna, Illinois; Litchfield and 



Sloans Valley, Kentucky. 



Polypora compacta (Hall). 



1879. Fenestella compacta. Hall, Thirty-second Ann. Rep. New York State 



Museum, p. 163 (reprint, 1880, p. 25). 

 1883. Fenestella compacta. Hall, Rep. State Geologist New York for the year 



1882, pi. xviii, 1-3. 



1887. Fenestella (Polypora) compacta. Hall and Simpson, Pal. New York, VI, 

 p. 63, pi. xviii, 1-3, pi. xxii, 4, 5. 



