216 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



CHILOTRYPA Ulrich. Genotype: CMlotrypa hispida Ulrich. 



Cheilotrypa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 1884, 7, p. 49. 



Chilotrypa Miller, N. A. Geol. Pal., 1889, p. 297. Ulrich, Geol. Surv. Illinois, 8, 

 1890, p. 382; Zittel's Textb. Pal. (Engl. ed.), 1896, p. 269. Simpson, 

 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 554. Nickles and 

 Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 26. Grabau, Bull. New York 

 State Mus., 45, 1901, p. 163; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 163. 

 Bpssler, Bull. U. S. Geol. Surv., 292, 1906, p. 24. Grabau and Shinier, N. A. 

 Index Fossils, 1, 1907, p. 125. -Bassler, Zittel-Eastman Textb. Pal., 1913, p. 

 330. Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 267. 



Chilotrypa circe (Billings). 



Helopora Circe Billings, Cat. Sil. Foss. Anticosti, 1886, p. 39. 



Anticostian (Jupiter River): Two miles east of Jupiter River, etc., Anticosti. 



CHILOTRYPA? COALESCENS Nickles and Bassler. See Chilotrypa ostiolata. 



Chilotrypa micropora Ulrich and Bassler. 



Chilotrypa micropora Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, 



p. 268, pi. 41, figs. 9-12. 



Helderbergian (Keyser): Keyser, West Virginia. 

 Cotypes.Cat. No. 53657, U.S.N.M. 



Chilotrypa ostiolata (Hall). 



Trematopora ostiolata Hall, Pal. New York, 2, 1852, p. 152, pi. 40A, figs. 5a-m. 



Nicholson, Pal. Prov. Ontario, 1875, p. 60, fig. 26. 

 Cheilotrypa ostiolata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 7, 1884, pi. 3, 



figs. 7, 7a. 

 Chilotrypa ostiolata Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, 



pi. 21, figs. 1, 2. Grabau, Bull. New York State Mus., 45, 1901, p. 164, fig. 60; 



Bull. Buffalo Soc. Nat, Sci., 7, 1901, p. 164, fig. 60. Bassler, Bull. U. S. 



Geol. Surv., 292, 1906, pp. 24, 25, pi. 8, figs. 11-15; pi. 9, figs. 1-4. Grabau 



and Shinier, N. A. Index Fossils, 1, 1907, p. 125, figs. 184a-b. 

 Trematopora coalescens Hall, Pal. New York, 2, 1852, p. 150, pi. 40A, figs. 2a, b. 

 Chilotrypa? coalescens Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 



207. 

 Clinton: Lockport, etc., New York; Ontario (Rochester); Osgood, Indiana 



(Osgood). 

 Plesiotypes. Cat. Nos. 43278, 44117, U.S.N.M. 



Chilotrypa varia (Hall). 



Trematopora varia Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, 



pi. 10, figs. 15-23; mus. ed., 1879, p. Ill, pi. 10, figs. 15-23; llth Ann. Rep. 



Indiana Geol. Nat. Hist., 1882, p. 232, pi. 9, figs. 15-23. Lesley, Geol. Surv. 



Pennsylvania, Rep. P 4, 1890, p. 1202, figs. 

 Diamesopora varia Ulrich, Geol. Surv. Illinois, 8, 1890, p. 467. 

 Chilotrypa varia Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 208. 

 Niagaran (Waldron): Waldron, Indiana. 



Chilotrypa variolata (Hall). 



Trematopora variolata Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, 



pi. 11, figs. 9, 10; mus. ed., 1879, p. 11 3, pi. 9, figs. 9, 10; llth Ann. Rep. 



Indiana Geol. Nat. Hist., 1882, p. 234, pi. 10, figs. 9, 10. Lesley, Geol. Sun-. 



Pennsylvania, Rep. P 4, ]890, p. 1203, figs. 



Chilotrypa variolata Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 208. 

 Niagaran (Waldron): Waldron, Indiana. 



