36 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Amphilichas trentonensis Continued. 



Lichas (Platymetopus) trentonensis Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 753, 



(gen. ref.). 

 Platymetopus trentonensis Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 200, 



pi. 15, figs. 17-19. 

 Amphilichas trentonensis Grabau and Shimer, N. A. Index Fossils, 2, 1910, 



p. 308. 

 Trenton: Near Carlisle, Pennsylvania; Middleville. etc., New York; Jackson- 



burg, New Jersey; Frankfort, Missouri. 



AMPHION CAYLEYI Billings. See Anacheirurus? apollo. 



AMPHION MULTISEGMENTATUS Portlock. See Encrinurus multiseginentatus. 



AMPHISTROPHIA Hall and Clarke. See Strophonella Hall. 



AMPHOTON Lorenz. See Dolichometopus Angelin. 



AMPLEXOPORA Ulrich. Genotype: A. cingulata Ulrich. 



Amplexopora Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 154. Foord, 

 Contr. Micro-Pal. Cambro.-SiL, 1883, p. 15. Miller, N. A. Geol. Pal., 1889, 

 p. 291. Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 377, 450. Ulrich, Zittel- 

 Eastman Textb. Pal., 1896, p. 278. Simpson, 14th Ann. Rep. State Geol. 

 New York for 1894, 1897, p. 577. Nickles and Bassler, Bull. U. S. Geol. 

 Surv., 173, 1900, p. 30. Ulrich and Bassler, Smiths. Misc. Coll., 47, 1904, 

 p. 41. Grabau and Shinier, N. A. Index Fossils, 1, 1904, p. 130. Cum- 

 ings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 739. Bassler, 

 Zittel-Eastman Textb. Pal., 1913, p. 336. 



AMPLEXOPORA AFFINIS Ulrich. See Heterotrypa affinis. 



Amplexopora ampla Ulrich and Bassler. 



Amplexopora ampla Ulrich and Bassler, Smiths. Misc. Coll., 47, 1904, p. 42, pi. 



13, figs. 7, 8; pi. 14, fig. 3. 

 Maysville: Nashville and Columbia, Tennessee (Leipers); Cincinnati, Ohio (Fair- 



mount). 

 Cotypes.C&t. No. 42313, U.S.N.M. 



AMPLEXOPORA CANADENSIS Foord. See Batostoma canadense. 



Amplexopora cingulata Ulrich. 



Amplexopora cingulata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 254, 



pi. 11, figs. 5-5c. Miller, N. A. Geol. Pal., 1889, fig. 449 (p. 292). Ulrich, 



Geol. Surv. Illinois, 8, 1890, p. 308, fig. 3c; p. 309, fig. 4c. J. F. James, Jour. 



Cincinnati Soc. Nat. Hist., 16, 1894, p. 193. Nickles, Bull. Kentucky Geol. 



Surv., 5, 1905, p. 55, pi. 3, fig. 6. Grabau and Shimer, N. A. Index Fossils, 



1, 1907, p. 131, fig. 186g. Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. 



Indiana, 1908, p. 758, pi. 6, figs. 1, la; pi. 26, fig. 3. 

 Maysville (Fairmount) : McKinneys Station and Boyle County, Kentucky; 



Cincinnati, Ohio. 



. Cat. No. 43641, U.S.N.M. 



Amplexopora columbiana Ulrich and Bassler. 



Amplexopora columbiana Ulrich and Bassler, Smiths. Misc. Coll., 47, 1904, p. 



41, pi. 13, figs. 1-4. Hayes and Ulrich, Folio U. S. Geol. Surv., 95, 1903, 



illustration sheet, figs. 11, 12. 

 Maysville (Leipers): Columbia, etc., Tennessee. 

 Cotypes. Cat. No. 43211, U.S.N.M. 



