NiCKLESANDBASSLER.] CATALOGUE OF GENERA AND SPECIES. 281 



Hederella alternata (Hall and Whitfield). 



1873. Stoinatopora ? alternata. Hall and Whitfield, Twenty-third Ann. Rep. 



New York State Museum, p. 235, pi. x, 7, 8. 

 Hamilton: Rockford and Hack berry, Iowa. 

 Obs. — Whiteaves (Contr. Canadian Pal., I, p. 210) makes this a synonym 



for Hederella Canadensis (Nicholson). 



Hederella canadensis (Nicholson), 



1874. Alei'to ? CanadensiiJ. Nicholson, Canadian Naturalist, ser. 2, VTT, p. 146. 

 1874. Aulopora ? Canadensis. Nicholson, Pal. Province Ontario, ji. 124, fig. 



57a-e. 



1883. Hederella Canadensis. Hall, Trans. Albany Institute, X, p, 194 (abstract, 



1881, p. 194). 



1884. Hederella Canadensis. Hall, Rep. State Geologist New York for the year 



1883, p. 53. 



1885. Nicholsonia canadensis. Davis, Kentucky Foss. Corals, part 2, pi. li, 6, 



pi. Ixxiii, 10, 11, pi. ixxviii, 18, pi. Ixxx, 15. 

 1887. Hederella Canadensis. Hall and Simpson, Pal. New York, VI, p. 277, \)[. 



Ixv, 1-8, 14, ? 16. 

 1889. Hederella canadensis. Miller, North American Geol. Pal., fig. 483 (p.308). 

 1891. Hederella Canadensis. Whiteaves, Contr. Canadian Pal., T, p. 210, pi. 



xxviii, 8, 8a. 

 1897. Hederella canadensis. Simpson, Fourteenth Ann. Rep. State Geologist 



New York for the year 1894, pi. xxv, 12, 13. 

 1899. Hederella canadensis. Grabau, Bull. Buffalo Soc. Nat. Sci., VI, p. 178, 



fig. 77. 

 Upper Helderberg: Port Colborne, Ontario. 

 Hamilton: Near Arkona, Ontario; I>ivingston and Erie counties, and 



Eighteenmile Creek, New York, Falls of the Ohio; Hay River and 



Athabasca River, Canada. 



Hederella cirrhosa Plall. 



1883. Hederella cirrhosa. Hall, Tran.^. Albany Institute, X, p. 194 (abstract, 



1881, p. 194). 



1884. Hederella cirrhosa. Hall, Rep. State Geologist New York for the year 



1883, p. 53. 

 1887. Hederella cirrhosa. Hall and Simpson, Pal. New York, YI, p. 277, pi. 

 Ixv, 12, 13. 



1897. Hederella cirrhosa. Simpson, Fourteenth Ann. Rep. State Geologist New 



York for the year 1894, pi. xxv, 10, 11. 



1898. Hederella cirrhosa. Whiteaves, Contr. Canad. Pal., I, Part V, p. 381. 

 Hamilton: York and Erie counties. New York; Falls of the Ohio. 



Hederella conferta (Hall). 



1883. Ptilionella conferta. Hall, Trans. Albany Institute, X, p. 195 (abstract, 



1881, p. 195). 



1884. Ptilionella conferta. Hall, Rep. State Geologist New York for the year 



1883, p. 56. 

 1887. Hederella conferta. Hall and Simpson, Pal. New York, VI, p. 279. 

 1891. Hederella conferta. Hall, Tenth Ann. Rep. State Geologist New York for 



the year 1890, p. 56; Forty-fourth Ann. Rep. New York State Museum, 



p. 86. 

 Hamilton: Darien Center, New York. 



Hederella filiformis (Billings). 



1859. Aulopora filiformis. Billings, Canadian Jour., new sor., TV, p. 119. 

 1874. Aulopora filiformis. Nicholson, Pal. Province Ontario, p. 42, fig. Wn, I>. 



