210 BULLETIN !)2, UNITED STATES NATIONAL MUSEUM. 



Chasmatopora feuestrata — Continued. 



Subretepora trentonenwiy Miller, N. A. Geol. Pal., 1889, p. ;i26. 



Trenton: Low\dlle, New York; Peterboro, Ontario; St. Andrews^, Manitoba; New 



Jersey. 

 Plesiotype.—Ga.t. No. 48440, U.S.N.M. (Ubich). 



Chasmatopora gracilis (Hall). 



Reteijora gracilis Uall, Pal. New York, 1, 1847, p. 15, pi. 4, figs. 2, 2a. 

 Fenestella gracilis Hall, 12tli Rep. New York State Cab. Nat. Hist., ISo!), p. 74 



(gen. ref.). 

 Subretepora gracilis Miller, N. A. Geol. Pal., 1889, p. 326. 

 Chazyan: Chazy, New York. 



Chasm atopora granistriata (Ulrich). 



Phylloporina granistriata Ulrich, Geol. Surv. Illinois, 8, 1890, p. 639, ])1. 29, 



figs. 3, 3a. 

 Upper Medinan (Girardeau): Alexander County, Illinois. 

 Richmond (Charleton): Anticosti. 



Chasmalopora halli (Ulrich). 



Phylloporina halli Ulrich, Jour. Cincinnati See. Nat. Hist., 12, 1890, p. 181, fig. 



7; Geol. Minnesota, 3, 1893, p. 211, pi. 4, figs. 16-21. 

 Black River (Decorah): St. Paul, Minnesota. 

 Cotypes. —C3it. No. 43696, U.S.N.M, 



Chasmalopora incepta (Hall). 



Retepora incepta Hall, Pal. New York, 1, 1847, p. 15, pi. 4, figs, la, b. 

 Fenestella incepta Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 74, 



(gen. ref.). 

 Subretepora incepta Miller, N. A. Geol. Pal., 1889, p. 320. 

 Phylloporina incepta Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, 



p. 352. 

 Chazyan: Chazy, Clinton County, New York. 



Chasmatopora reticulata (Hall). 



Intricaria? reticulata Hall, Pal. New York, 1, 1847, p. 77, pi. 26, figs. 8a-c. — 



Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 158, fig. 123. — Lesley, 



Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 300, figs. 

 Subretepora reticulata Emmons, Amer. Geology, 1, pt. 2, 1855, p. 206, pi. 7, figs. 



8a, 8b, c— Miller, N. A. Geol. Pal., 1889, p. 326, fig. 524. 

 Phylloporina reticulata Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 332, 639, pi. 53, 



figs. 2, 2a; Geol. Minnesota, 3, 1893, p. 210, pi. 4, figs. 8-15.— Grabau and Shi- 



mer, N. A. Index Fossils, 1, 1907, p. 141, fig. 201a. 

 Chasmatopora reticulata Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 170, 171, 



fig. 86. 

 Black River and Trenton: Watertown, etc., New York; Vermont; Minnesota; 



Canada. 

 Ordovician (Wassalem): Uxnorm, Esthonia, Russia. 

 PlesioHjpes.— Cat. Nos. 43731^3733, U.S.N.M. 



Chasmatopora sublaxa (Ulrich). 



Phylloporina sublaxa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 12, 1890, p. 179, 



fig. 6; Geol. Minnesota, 3, 1893, p. 209, pi. 4, figs. 1-7. 

 Chasmatopora subla.xa Bassler, Zittel-Eastman Textb. Pal., 1913, p. 340, fig. 497. 

 Stones River (Pierce and Lebanon): Lebanon, Lavergue, and Murfreesboro, 



Tennessee. 



