32 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. 



AMPHERISTOCRINUS Hall. Genotype: A. typus Hall 



Ampheristocrinus Hall, llth Ann. Rep. Indiana Dept. Geol. Nat. Hist., 1882, p. 

 278, fig. Trans. Albany Inst., 10^ 1883, p. 67, fig. (Preliminary notice, 1879). 

 Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1886, pp. 

 115, 143. Miller, N. A. Geol. Pal., 1889, p. 223. Bather, Ann. Mag. Nat. 

 Hist., 6th ser., 5, 1890, p. 332, pi. 14, fig. 18; Treatise on Zoology, pt. 3, Echi- 

 uoderma, London, 1900, p. 173. Weller, Bull. Chicago Acad. Sci., Nat. Hist. 

 Surv., 4, pt. 1, 1900, p. 67. 



Anipheristocrinus? calyx (Hall). 



Poteriocrinus? calyx Hall, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, 

 p. 266, pi. 15, fig. 14; Trans. Albany Inst., 10, 1883, p. 66 (Preliminary notice, 

 1879). Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 740, fig. 

 Niagaran (Waldron): Waldron, Indiana. 



Ampheristocrinus dubius Weller. 



Ampheristocrinus dubius Weller, Bull. Chicago Acad. Sci., 4, 1900, p. 67, pi. 14, 



fig. 11. 

 Niagaran (Racine): Romeo, Illinois. 



Ampheristocrinus typus Hall. 



Ampheristocrinus typus Hall, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 

 1882, p. 278, pi. 15, figs. 17, 18; Trans. Albany Inst., 10, 1883, p. 67 (Prelimi- 

 nary notice, 1879). Miller, N. A. Geol. Pal., 1889, p. 223, text fig. 243. 

 Weller, Bull. Chicago Acad. Sci., 4, 1900, p. 68. 



Niagaran (Waldron): Waldron, Indiana. 



AMPHIC(ELIA Hall. Genotype: A. leidyi Hall. 



Amphicoelia Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, (extras, 1865) 



p. 339; Rev. ed., p. 386. Meek and Worthen, Geol. Surv. Illinois, 2, 1866, 



p. 339, footnote; 3, 1868, p. 357. Meek, Amer. Jour. Sci. Arts, 2d ser., 44, 



1867, p. 173, footnote. Miller, N. A. Geol. Pal., 1889, p. 461. 



Amphico3lia costata (Hall and Whitfield). 



Amphicoelia (Leptodomus?) costata Hall and Whitfield, Geol. Surv. Ohio, Pal., 



2, 1875, p. 140, pi. 7, fig. 23. 



Amphicoelia costata Miller, N. A. Geol. Pal., 1889, p. 461, fig. 773. 

 Niagaran (Cedarville): Cedarville, Greene County, Ohio. 



Amphicoelia leidyi Hall. 



AmphiccElia leidyi Hall, 20th Rep. New York State Cab. Nat. Hist., 1868 (extras, 



1865), p. 339, pi. 14 (5), figs. 13-15, p. 387; Rev. ed., 1870, p. 387, pi. 14, figs. 



13-15; p. 431, fig.; 28th Rep.New York State Mus. Nat. Hist., doc. ed., 1875, 



pi. 27, figs. 1, 2; mus. ed. 1879, p. 171, pi. 27, figs. 1, 2; llth Ann. Rep. 



Indiana Dep. Geol. Nat. Hist., 1882, p. 313, pi. 28, figs. 1, 2. 

 Leptodomus (Amphicoelia) leidyi Whitfiela, Geol. Wisconsin, 4, 1882, p. 357 



(gen. ref.) 

 Niagaran: Racine and Wauwatosa, Wisconsin; Bridgeport, Illinois (Racine); 



Waldron, Indiana; and Newsom, Tennessee (Waldron). 



Amphicoalia neglecta (McChesney). 



Ambon ychia neglecta McChesney, Desc. New Fossils, 1861, p. 88. 



Pterinea neglecta Wiuchell and Many, Mem. Boston Soc. Nat. Hist., 1, 1865, 



pp. 96, 108. 

 Pterinea (Ambonychia) neglecta McChesney, Plates Illust. New Sp. Fossils, 



1865, pt. 9, figs. 2-2b. 

 Leptodomus neglectus Whitfield, Geol. Wisconsin, 4, 1882, p. 292, pi. 18, figs. 3, 4. 





