438 AMERICAN FOSSIL BRYOZOA. [bull. 173. 



TJnitrypa fastigata (Hall), 



1883. Fenestella (Hemitrypa) fastigata. Hall, Trans. Albany Institute, X, 



p. 178 (abstract, 1881, p. 36) . 

 1887. Fenestella (Unitrypa) fastigata. Hall and Simpson, Pal. New York, VI, 



p. 141, pi. liv. 1-6. 

 1897. Unitrypa fastigata. Simpson, Fourteenth Ann. Rep. State Geologist New 

 York for the year 1894, fig. 54 (p. 508) , pi. vi, 1-6. 

 Hamilton: Falls of the Ohio. 



Unitrypa ficticia (Hall and Simpson). 



1887. Fenestella (Unitrypa) ficticia. Hall and Simpson, Pal. New York, VI, 

 p. 137. pi. lii, 11-15. 

 Upper Helderberg: Walpole, Ontario. 



Unitrypa lata (Hall). 



1883. Fenestella (Hemitrypa) lata. Hall, Trans. Albany Institute, X, p. 176 

 (abstract, 1881, p. 34) . 



1885. Unitrypa spatiosa (in error) . Hall, Rep. State Geologist New York for 



the year 1884, pi. ii, 12. 

 1887. Fenestella (Unitrypa) lata. Hall and Simpson, Pal. New York, VI, 



p. 136, pi. lii, 1-10. 

 1897. Unitrypa lata. Simpson, Fourteenth Ann. Rep. State Geologist New 



York for the year 1894, figs. 55-57 (pp. 508-509), pi. v, 16-19. 

 Upper Helderberg: Walpole, Ontario. 



Unitrypa nana (Hall and Simpson). 



1887. Fenestella (Unitrypa) nana. Hall and Simpson, Pal. New York, VI, 

 p. 133. 

 Upper Helderberg: Walpole, Ontario. 



Unitrypa nervia (Hall). 



1874. Fenestella Nervia. Hall, Twenty-sixth Ann. Rep. New York State Mu- 

 seum, p. 93. 



1879. Fenestella (Hemitrypa) Nervia. Hall, Thirty-second Ann. Rep. New York 

 State Museum, p. 173 (reprint, 1880, p. 35) . 



1883. Fenestella (Hemitrypa) Nervia. Hall, Rep. State Geologist New York for 

 the year 1882, pi. xxii, 1-6, ? 9, 10. 



1887. Fenestella (Unitrypa) Nervia. Hall and Simpson, Pal. New York, VI, 

 p. 55, pi. xxii, 1-3, 6, ? 9, 10. 



1874. Hemitrypa prima. Hall, Twenty-sixth Ann. Rep. New York State 

 Museum, p. 98. 

 Lower Helderberg: Glarksville and Schoharie, New York. 



Unitrypa nervia-constricta (Hall). 



1879. Fenestella (Hemitrypa) Nervia var. constricta. Hall, Thirty-second Ann. 

 Rep. New York State Museum, p. 174 (reprint, 1880, p. 36). 



1883. Fenestella (Hemitrypa) Nervia var. constricta. Hall, Rep. State Geolo- 

 gist New York for the year 1882, \A. xxii, 11, 12. 



1887. Fenestella (Unitrypa) Nervia var. constricta. Hall and Simpson, Pal. 

 New York, VI, p. 56, pi. xxii, 11, 12. 

 Lower Helderberg: Glarksville, New York. 



Unitrypa pernodosa (Hall). 



1883. Fenestella (Hemitrypa) pernodosa. Hall, Trans. Albany Institute, X, 

 p. 176 (abstract, 1881, p. 35). 



1886. Fenestella (Unitrypa) pernodosa. Hall, Fifth Ann. Rep. State Geologist 



New York for the year 1885, pi. Uii, 1-11. 



