DESCRIPTIONS OF SPECIES. 437 



Locality and liorlzon. — San Juan region (stations 2200, 2219?); upper portion 

 of the Hermosa formation. Dolores River region, Sinbads Valle}' (station 2285); 

 top of the Hermosa formation. 



ALLERISMA King, 1844. 

 Allekisma terminale Hall. 



PI. IX, figs. 4, 5, 6. 



1852. Allerisma terminalis. Hall, Stansbury'.s Exped. to Great Salt Lake, p. 413, pi. 2, figs. 4a, b. 



Carboniferous: Big Blue Elver. 

 1852. AUoriama regularis f Owen, Geol. Surv. Wisconsin, Iowa, and Minnesota, pi. 5, fig. 13> 



Carboniferous: Missouri River at Wayne City. 

 1858. AUorisma subcuneata. Meek and Hayden, Acad. Nat. Sci. Philadelphia, i : .. p. 263. 



Upper Coal Measures: Leavenworth, Kans. 

 1860. AUorisma eHsiformis. Swallow, Acad. Sci. St. Louis, Trans., vol. 1, p. 656 



Coal Measures: Clay, Mo. 

 1864. AUorisma subcuneata. Meek and Hayden, Smithsonian Cont. Knowledge, vol. 14, No. 172, p. 37, 

 l^l. 1, figs. 10a, b. 



Coal Measures: Leavenworth, Kans. 

 1866. AUorisma subcuneata. Geinitz, Carb. und Dyas in Nebraska, p. 14. 



Upper Coal Measures: Plattsmouth and Wyoming, Nebr. ; Kansas. 

 1872. AUorisma subcuneata. Meek, U. S. Geol. Surv. Nebraska, p. 221, pi. 2, figs. 10a, b. 



Upper Coal Measures: Rock Bluff, 2J miles southwest of Nebraska City, Wyoming, and Platts- 

 mouth, Nebr.; Leavenworth and Atchison, Kans. 



Upper and Lower Coal Measures: Illinois. 



1875. AUorisma subcuneata (var. ). White, U. S. Geog. Geol. Surv. W. 100th lUc: , P?nt., vol. 4, p. 



1.55, pi. 12, figs. 7a, b. (Whole report published in 4877.) 

 Carboniferous: Near Agua Azul, N. Mex. 



1876. AUorisma subcuneata. White, Powell's Rept. Geol. Uinta Mountains, p. 91. 

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



1881. AUorisma subcuneata? White, 2d .\nn. Rept. Dept. Stat, and Geol. Indiana, p. 518, pi. 8, 

 figs. 1, 2. 

 Coal Measures: Edwardsport, Knox County, Ind. 

 1884. AUorisma subcuneata. White, Geol. Surv. Indiana, 13th Rept., p. 148, pi. 31, figs. 1-3. 



Coal Measures: Indiana. 

 1886. AUorisma subcuneata. Heilprin, 2d Geol. Surv. Pennsylvania, Ann. Rept. for 1885, p. 457, 

 fig. 10a, p. 444, fig. 10. 

 Upper Coal Measures: Mill Creek limestone, AVilkesbarre, Pa. 



1886. AUo7-is)rM subcuneata. Heilprin, Proc. and Coll. \^'yoming Hist, and Geol. Soc, vol. 2, pt. 2, 



p. 272, fig. 10, p. 276, fig. 10a. 

 Upper Coal Measures: Mill Creek limestone, Wilkesbarre, Pa. 



1887. AUorisma subcuneata. Herrick, Sci. Lab. Denison Univ., Bull., vol. 2, p. 34, pi. 4, figs. ], 2. 

 Coal Measures: Flint Ridge, Ohio. 



1895. AUorisma subcuneatum. Keyes, Missouri Geol. Surv., vol. 5, p. 129, pi. 47, figs. 5a-c. (Date of 

 imprint, 1894.) 

 Upper Coal Measures: Kansas City, Mo. 



