356 CARBONIFEROUS FORMATIONS AND FAUNAS OF COLORADO. 



It is, perhaps, deserving of notice thai this species is largely restricted, so far as 

 our collections indicate, to the Ijeadville I'egion. 



LncitUty ami harhon . — San Juan region (station 23i8); Rico formation. Leadville 

 district (stations 2257^, 2264?, 2265*, 2267, 2268); base of the Weber formation. 

 Grand Rivei- region, Glenwood Springs (station 2329b). 



Chonetes granulifer Owen. 



1852. Chonetes gnniulifcra. Owen, Geol. Surv. AVisconsin, Iowa, and Jliiinesota, p. .5.S.S, pi. 5, fig. 12. 



Carboniferous limestone: Near mouth of Keg Creek. 

 1854. Chonetes smithii. Norwood and Pratten, Acad. Nat. Sci. Philadelphia, .Tour., (2), vol. .3, p. 24, 

 pi. 2, figs. 2a-^.^ (Entire volume bears imprint of 1855. ) 

 Coal Measures: Belleville, 111. 

 1854. Chonetes granulifera. Norwood and Pratten, Acad. Nat. Sci. Philadelphia, Jour., (2), vol. .3, p. 24., 

 (Entire volume bears imprint of 1855. ) 

 Coal Measures: Belleville, 111.; Keg Creek, Missouri. 



1858. Chonetes mucronata. Meek and Hayden, .\cad. Nat. Sci. Philadeliihia, Prnc, p. 262. (Not C. 



miicronalus Hal], 1843.) 

 Upper Coal Measures: Near Fort Eiley, Kan.s. 



1859. Choiieies mucronata. Meek and Hayden, Acad. Nat. Sci. Philadelphia, Proc, p. 26. 

 Upper Coal Measures: Fort Riley and Cottonwood Creek, Kansas. 



1864. Chonetes mucronata. Meek and Hayden, Smithsonian Cont. Knowledge, vol. 14, No. 172; p. 22, 

 pi. 1, fig. 5a-c. 



Coal Measures: Near Fort Riley, Kan^. 

 1866. Chonetes mucronaia. Geinitz, Carb. und lJya.< in Nebraska, p. 58, tab. 4, figs. 12-14. 



Upper Coal Measures: Bennett's Mill and Nebraska City, Nebr. 

 1869. Chonetes mucronata. Toula, Sitzb. derKais. Akad. der Wissensch. Wien, 1 Abth., vol. 59, p. 442. 



Carboniferous limestone: Ten miles from Cochabamba, Bolivia. 



1872. Chonetes granulifera. Meek, V. S. Geol. Surv. Nebraska, p. 170, pi. 4, fig. 9, pi. 6, fig. 10; pi. 8, 



fig. 7. 

 Upper Coal Measures: Nebraska City, Wyoming, Bennetts Mill, Plattsmouth, Bellevue, and 



Omaha, Nebr.; Kansas; Missouri; Iowa. 

 Coal Measures: Illinois. 



1873. Chonetes smithii. Bleek and Worthen, Geol. Surv. Illinois, Rept., vol. 5, p. 570, pi. 25, fig. 11. 

 Coal Measures: St. Clair Comity, 111. 



187.5, Chonetes granulifera. AVhite, U. S. Geog. Geol. Sm-v. W. 100th Mer., Rept., vol. 4, pt. 1, p. 122, 

 pi. 9, figs. 8a-c. (Entire volume bears imprint 1877.) 



Carboniferous (Upper Aubrey limestone) : Kanab Canyon, Arizona. 

 1876. Chonetes granulifera. White, Powell's Rept. Geol. Uinta Mountains, p. 90. 



Lower Aubrey Group: Confluence of Grand and Green rivers, Utah. 



1891. Chonetes gra-nuliferus. Beecher, Am. Jour. Sci., (3), vol. 41, p. 357, pi. 17, fig. 15. 

 Coal Measures: Manhattan, Kans. 



1892. Chonetes smithi. Hall and Clarke, Pal. New York, vol. 8, pt. 1, pi. 15B, fig. 12. 

 Coal iMeasures: Illinois. 



1894. Chonetes granulifera. Keyes, Missouri Geol. Surv., vol. 5, p. 56. 

 Upper Coal Measures: Kansas City, Mo. 



