ni(;ki,es ani. basslkr.] CATALOGUE OF GENERA AND SPECIES. 295 



Ichthyorachis nereis Hall — ContiiuK^d. 



1S7*J. Iclitliydraclii.s Noreis. Hall, Thirty-second Ann. Rep. New York State 



Mnseuni, p. 174 (reprint, ISSO, p. o()). 

 1883. Ichthyorachis Nereis. Hall, Rep. State Geologist New York, for the year 



1882, pi. xxii, 19-21. 

 1887. Ichthyorachis Nereis. Hall and Simpson, Pal. New York, VT, p. 68, pi. 



xxii, 19-21. 

 1897. Ichthyorachis Nereis. Simpson, Fourteenth Ann. Rep. State Geologist New 



York for the year 1894, pi. viii, 19-21. 

 Lower Helderberg: Schoharie, New York. 



IDIOTRYPA Ulrich. Genotype: Idiotrypa parasitica Ulrich. 



ISS:}. Idiotrypa. Ulrich, Jonr. Cincinnati Soc. Nat. Hist., VI, p. 272. 



1889. Idiotrypa. Miller, North American Geol. Pal., p. 310. 



1890. Idiotrypa. Ulrich, Geol. Sur. Illinois, VIII, p. 375. 



1897. Idiotrypa. Simpson, Fourteenth Ann. Rep. State Geologist New York for 

 the year 1894, p. 591. 



Idiotrypa parasitica Ulrich. 



1883. Idiotrypa parasitica. Ulrich, Jour. Cincinnati Soc. Nat. Hist., VI, j). 273, 



1)1. xiii, l-lo. 

 1897. Idiotrypa parasitica. Simpson, Fourteenth Ann. Rep. State Geologist New 

 York for the year 1894, figs. 187-189 (p. 591). 

 Niagara: Osgood, Indiana. 



INTRAPORA Hall. Genotype: Intrapora puteolata Hall. 



1883. lntrai)()ra. Hall, Trans. Albany Institute, X, p. 157 (abstract, 1881, p. 16). 

 1887. Intrapora. Hall and Simpson, Pal. New York, VI, p. xxii. 



1889. Intrapora. Miller, North American Geol. Pal., p. 310. 



1890. Intrapora. Ulrich, Geol. Sur. Illinois, VIII, p. 394. 



1897. Intrapora. Simpson, Fourteenth Ann. Rep. State Geologist New York for 

 the year 1894, p. 535. 

 Obs. See also Coscinella Hall and Simpson. 



Intrapora basalis Ulrich, 



1890. Stictoporella basalis. Ulrich, Geol. Sur. Illinois, VIII, p. 532, pi. Ixxv, 



5-5r, pi. Ixviii, 5, 6a, pi. Ixix, 2, 2a. 

 1894. Stictoporella basalis. Keyes, Missouri Geol. Sur., V, p. 22. 

 1897. Stictoporella basalis. Simpson, Fourteenth Ann. Rep. State Geologist New 

 York for the year ending 1894, figs, 91, 92 (p. 536). 

 Warsaw: Warsaw, Illinois. 



Intrapora cosciniformi.s Ulrich. See Coscinella cosciniformis (Nich- 

 olson. 



Intrapora elegantula Whiteaves. See Coscinella elegantula Hall and 

 Simpson. 



Intrapora puteolata Hall. 



1883. Intrapora puteolata. Hall, Trans. Albany Institute, X, p. 158 (abstract, 

 1881, p. 16). 



1886. Intrapora puteolata. Hall, Fifth Ann. Rep. State Geologist New York 



for the year 1885, pi. xxix, 18-26. 



1887. Intrapora puteolata. Hall and Simpson, Pal. New York, VI, p. 97, pi. 



xxix, 18-26. 

 1897. Intrajjora puteolata. Simpson, Fourteenth Ann. Rep. State Geologist New 

 York for the year 1894, pi. xi, 1-9. 

 Hamilton: Falls of the Ohio. 



