220 PALEONTOLOGY OF THE EUREKA DISTRICT. 
stratum, in association with Spirifera neglecta and other Lower Carboniferous 
fossils, Eureka District, Nevada. 
Specimens of S. cuspidatus have recently been received (1884) from 
the Lower Carboniferous limestone in the Little Belt range of mountains 
‘hear Clendenin, Montana. 
Genus RETZIA King. 
Retzia radialis Phillips (Sp.). 
Plate vii, figs. 5, 5a-h. 
Terebratula radialis Phillips, 1836. Geol. Yorkshire, vol. ii, p. 223, pl. xii, figs. 40, 41. 
mantiwe De Koninck, 1843. Anm. Foss., p. 287, pl. xix, figs. 4a-d. (Not 
T. mantie of Sowerby.) 
Atrypa radialis McCoy, 1844. Syn. Carb. Foss. Ireland, p. 156. 
Terebratula radialis De V. & De K., 1845. Russia and the Ural Mountains, vol. ii, p. 
89, pl. x, figs. 9a, b. 
Retzia radialis Morris, 1854. Cat. Brit. Foss., p. 145. 
Spirigerina ? radialis McCoy, 1855. Brit. Pal. Foss., p. 438. 
Terebratula Mormoni Marcou. Geol. North America, p. 51, pl. vi, figs. 11a-c. 
Retzia punctilifera Shumard, 1858. Trans. St. Louis Acad. Sci., vol. i, p. 220. 
Mormoni Meek & Hayden, 1859. Proc. Acad. Nat. Sci. Philad., vol. xi, p. 27; 
Geinitz, 1864. Carb. und Dyas in Neb., p. 39, tab. iii, fig. 6. 
subglobosa McChesney, 1860. Descriptions New Pal. Fossils, p. 45, and pl. i, 
fig. 1. Illustrations of same, 1865. 
radialis Davidson, 1861. Mon. Brit. Carb. Brachiopoda, pp. 87, 218, pl. xvii, 
figs. 19-21; pl. li, figs. 4-9. 
radialis Phillips, (sp.), var. grandicosta Davidson, 1861. Carb. Brach. Coll. in 
India, Quart. Jour. Geol. Soe., vol. xviii, p. 28, pl. 1, fig. 5. 
compressa Meek, 1864. Geol. Surv. California, Pal., vol. i, p. 14, figs. 7a-e. 
Kayser, 1882. Richthofen, China, vol. iv, p. 176, tab. xxii, figs. 1-4. 
punctulifera McChesney, 1867. Trans. Chicago Acad. Sci., vol. i, ‘p. 32, pl. i, 
fig. 1. 
punctulifera Meek, 1872. U.S. Geol. Surv. Nebraska, p. 181, pl. i, fig. 13, pl. 
v, fig. 8. 
Mormoni White, 1875. Expl. and Sury. West 100th Merid., vol. iv, pt. 1, p. 
141, pl. x, figs. 7 a-c. 
Compare Retzia Marcyi Shumard, 1854, Expl. Red River of Louisiana, p. 190, pt. 1, fig. 
4a, b; also, Retzia Verneuiliana and R. vera Hall, Geol. Surv. Iowa, vol. 
i, pt. 2, pp. 657, 704, 1858. 
On bringing together a series of specimens of this species from Ne- 
vada and New Mexico it became at once apparent that it was very 
