NicKLES AND BAssLEK.] CATALOGUE OF GENERA AND SPECIES. 377 



PTILODICTYA Lonsdale — Continued. 



1882. Ptilodictya. Vine, Quar. Jour. Geol. Soc. London, XXXVIII, p. 63. 



1882. Ptilodictya. Ulrioli, Jour. Cincinnati Soc. Nat. Hist., V, pp. 151, 162. 



1883. Ptilodictya. Vine, Rep. British A.s.soc. Adv. Sci., p. 203. 

 1887. Ptilodictya. Foerste, Bull. Sci. Lab. Denison Univ., II, p. 155. 

 1887. Ptilodictya. Hall and Simpson, Pal. New York, VI, p. xix. 

 1889. Ptilodictya. Miller, North American Geol. Pal., p. 318. 



1889. Ptilodictya. Nettleroth, Kentucky Fossil Shells, p. 30. 



1890. Ptilodictya. Ulrich, Geol. Sur. Illinois, VIII, p. 390. 

 1893. Ptilodictya. Ulrich, Geol. Minnesota, III, p. 163. 



1896. Ptilodictya. Ulrich, Zittel's Textb. Pal. (P^ngl. ed.), p. 279. 



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



for the year 1894, p. 541. 

 1899. Ptilodictya. Grabau, Bull. Buffalo Soc. Nat. Sci., VI, p. 176. 



1874. Escharopora (not of Hall, 1847, Pal. New York, I, p. 72). Hall, Twenty- 



sixth Ann. Rep. New York State Mus., [p. 99]; Thirty-second Ann. 

 Rep. New York State Museum, 1879, p. 161. 



1875. Heterodictya. Nicholson, Geol. Mag., newser., II, p. 33. 

 1875. Heterodictya. Nicholson, Pal. Province Ontario, p. 79. 

 1889. Heterodictya. Miller, North American Geol. Pal., p. 309. 



Ptilodictya acuminata James. See Escharopora acuminata (James). 

 Ptilodictya acuta Nicholson. See Pachydictya acuta (Hall). 

 Ptilodictya alcyone Billings. See Pachydictya alcyone (Billings). 



Ptilodictya angusta (Hall). 



1883. Escharopora (Ptilodictya) angusta. Hall, Trans. Albany Institute, X, 



p. 62 (abstract, 1879, p. 6). 

 1882. Escharopora (Ptilodictya) angusta. Hall, Eleventh Ann. Rep. Indiana 

 Geol. Nat. His., p. 245. 

 Niagara: Waldron, Indiana. 



Ptilodictya antiqua James. See Eurydictya multipora (Hall). 



Ptilodictya 'i arctipora Nicholson. See Bythopora arctipora (Nichol- 

 son.) 



Ptilodictya arguta Billings. See Pachydictya crassa (Hall). 



Ptilodictya bipunctata (Van Cleye) Hall. See Phsenopora expansa 

 Hall and Whitfield. 



Ptilodictya briareus Ulrich. See Escharopora briareus (Ulrich). 



Ptilodictya canadensis Billings. 



1866. Ptilodictya canadensis. Billings, Catal. Sil. Foss. Anticosti, p. 9. 

 Cincinnati (Richmond): Anticosti Island. 



Ptilodictj^a (Stictopora) carbonaria Meek. See Cystodictya carbonaria 



(Meek). 

 Ptilodictya ? cincinnatiensis James. See Arthropora shafferi-cleave- 



landi (James). 

 Ptilodictya eleayelandi James. See Arthropora shafferi-cleayelandi 



(James). 

 Ptilodictya clintonensis James. See Ptilodictya nodosa James. 

 Ptilodictj'a cosciniformis Nicholsou. See Coscinella cosciniformis 



(Nicholson). 



