288 AMEBIC AN FOSSIL BEYOZOA. [bull. 173. 



Hemitrypa proutana-nodulosa Ulrich. 



1890. Hemitrypa proutana var. nodulosa. Ulrich, Geol. .Sur. Illinois, VIII, 

 p. 562, pi. Ivii, 2-2r. 

 Keokuk: Bentonsport and Keokuk, Iowa; Nauvoo, Illinois. 



Hemitrypa proutana-vermifera Ulrich. 



1890. Hemitrypa proutana var. vermifera. Ulrich, Geol. Sur. Illinois, VIII, 

 p. 561, pi. Ivii, 5, 5a. 

 Warsaw: Warsaw, Illinois. 



Hemitrypa tenera Ulrich. 



1890. Hemitrypa tenera. Ulrich, Geol. Sur. Illinois, VIII, p. 559, pi. xliv, 

 7, 7a, pi. liv, 10-lOc. 

 Hamilton: Davenport and Buffalo, Iowa; Rock Island, Illinois. 



Hemitrypa ulrichi Foerste. 



1887. Hemitrypa ulrichi. Foerste, Bull. Sci. Lab. Denison Univ., TI, p. 152; 

 ibid., 'hi, 1888, pi. xv, 2. 



1895. Hemitrypa ulrichi. Foerste, Geol. Sur. Ohio, VII, p. 599, pi. xxviii, 2. 

 Clinton: Near New Carlisle, Ohio. 



HERNODIA Hall. Genotype: Hernodia humifusa Hall. 



1883. Hernodia Hall, Trans. Albany Institute, X, p. 196 (abstract, 1881, p. 



196). 



1884. Hernodia. Hall, Rep. State Geologist New York for the year 1883, p. 58. 

 1887. Hernodia. Hall and Simpson, Pal. New York, VI, p. xxvi. 



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



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

 the year 1894, p. 596. 



Hernodia humifusa Hall. 



1883. Hernodia humifusa. Hall, Trans. Albany Institute, X, p. 196 (abstract, 



1881, p. 196). 



1884. Hernodia humifusa. Hall, Rep. State Geologist New York for the year 



1883, p. 58. 

 1887. Hernodia humifusa. Hall and Simpson, Pal. New Y'ork, VI, ]>. 281, pi. 



Ixv, 20, 21. 

 1897. Hernodia hiunifusa. Simpson, Fourteenth Ann. Rep. State Geologist 



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

 Hamilton: Cazenovia, Madison County, New York; Falls of the Ohio. 



Heterodictya Nicholson. See Ptilodictya Lonsdale. 

 Heterodictya gigantea Nicholson. See Ptilodictya gigantea (Nichol- 

 son). 

 Heterodictya pavonia Ulrich. See Escharopora pavonia (D'Orbigny). 



HETEROTRYPA Nicholson. Genotype: Monticulipora frondosa 

 D'Orbigny (not Nicholson). 



1879. Heterotrypa (in j^art). Nicholson, Pal. Tabulate Corals, p. 291. 



1881. Heterotrypa. Nicholson, Genus MonticuliiJora, pp. 101, 103. 



1882. Heterotrypa. Ulrich, Jour. Cincinnati Soc. Nat. Hist., V, p. 155; ibid., 



VI, 1883, p. 83. 



1883. Heterotrypa. Foord, Contr. Micro-Pal. Cambro-Sil., p. 20. 



1890. Heterotrypa. Ulrich, Geol. Sur. Illinois, VIII, pp. 371, 413. 

 1893. Heterotrypa. Ulrich, Geol. Minnesota, III, p. 267. 



1896. Heterotrypa (in part). Zittel's Textb. Pal. (Engl, ed.), p. 104. 

 1890. Heterotrypa. Ulrich, Zittel's Textb. Pal. (Engl, ed.), p. 273. 



1897. Heterotrypa. Simpson, Fourteenth Ann. Pep. State Geologist New York 



for the year 1894, p. 578. 



