38-4 AMERICAN FOSSIL BRYOZOA. [bull. 1/3. 



PTILOPORELLA Hall— Continued. 



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



for the year 1894, pp. 506, 521. 

 1895. Pinnaporina. Simpson, Thirteenth Ann. Rep. State Geologist New York 



for the year 1893, p. 705 (not p. 725 = Ptiloporina) ; Forty-seventh Ann. 



Rep. New York State Museum, p. 899 (not p. 919). 

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



for the year 1894, pp. 507, 521. 



Ptiloporella ? bifurca (Ulrich). 



1886. Fenestella bifurca. Ulrich, Contr. American Pal., I, p. 6, pi. i, 2, 2a. 



1887. Fenestella confertipora. Hall and Simpson, Pal. New York, VI, p. 108, pi. 



xlvi, 7-11, 17-21. 

 Hamilton : Falls of the Ohio. 



Ptiloporella insequalis (Hall and Simpson). 



1887. Fenestella (Ptiloporella) insequalis. Hall and Simpson, Pal. New York, 



VI, p. 171. 

 1897. Ptiloporella ineequalis. Simpson, Fourteenth Ann. Rep. State Geologist 

 New York for the year 1894, pi. iv, 1,2. 

 Upper Helderberg: Walpole, Ontario. 



Ptiloporella laticrescens (Hall and Simpson). 



1887. Fenestella (Ptiloporella) laticrescens. Hall and Simpson, Pal. New York, 



VI, p. 171. 

 1897. Ptiloporella laticrescens. Simpson, Fourteenth Ann. Rep. State Geologist 

 New York for the year 1894, pi. iv, 3-6. 

 Upper Helderberg: Walpole, Ontario. 



Ptiloporella nervata (Nicholson). 



1875. Fenestella nervata. Nicholson, Pal. Ohio, II, p. 264, pi. xxv, 11, 11a. 

 1889. Ptiloporella nervata. Miller, North American Geol. Pal., p. 319. 

 Niagara: Cedarville, Ohio. 



PTILOPORINA Hall. Genotype: Fenestella (Ptyloporina) conica Hall. 

 1885. Ptyloporina. Hall, Rep. State Geologist New York for the year 1884, 



p. 36. 

 1887. Ptiloporina. Hall and Simpson, Pal. New York, VI, p. xxiv. 

 1889. Ptiloporina. Miller, North American Geol. Pal., p. 319. 

 1895. Ptiloporina. Simpson, Thirteenth Ann. Rep. State Geologist New York 



for the year 1893, pp. 690, 725; Forty-seventh Ann. Rep. New York 



State Museum, pp. 884, 919. 

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



for the year 1894, pp. 507, 521. (Makes genotype Ptiloporina sinistralis.) 

 1895. Pinnaporella. Simpson, Thirteenth Ann. Rep. State Geologist New York 



for the year 1893, pp. 704, 725. 

 1895. Pinnaporina. Simpson, Thirteenth Ann. Rep. State Geologist New York 



for the year 1893, p. 725 (not p. 705 = Ptiloporella) ; Forty-seventh Ann. 



Rep. New York State Museum, p. 919, (not p. 899). 

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



for the year 1894, p. 507. 



Ptiloporina conica (Hall and Simpson). 



1887. Fenestella (Ptiloporina) conica. Hall and Simpson, Pal. New York, VI, 



p. 172, pi. xliii, 2-A. 

 1897. Ptiloporina conica. Simpson, Fourteenth Ann. Rep. State Geologist New 

 York for the year 1894, pi. iv, 8. 

 Upper Helderberg: Schoharie, New York. 



