;;7<) EXPLORATIONS ACh'OSS Till-: (ilM'AT IJASIN OF UTAH. 



Pro/luetus liogerti. Norwood Mid flatten Four miles west of Fort Leavenworth, Kansas. 



Coal-Measures. 



Proihtctus Prattenan us, Norwood Fragments. Near Clear Creek ; on Grasshopper 



Creek, Kansas. Coal-Measures. 



Orthis Mivhdim,{U''\it\\V') Koninck, No. 1*18 Pass between Desert and Pleasant Valley ; lati- 

 tude 39° 42'; longitude 113° 50'. Lower Car- 

 boniferous. 



Hemipnmites, undt. sp., No. 3G4 Like H. crenistria, but apparently more finely 



striate. Mountains east of Steptoe Valley; 

 latitude 39° 15'; longitude 114° 45'. Lower 

 Carboniferous. 



Ilcmipronitcs crassus, Meek and Ilaydeu Two miles west of Clear Creek, Kansas Territory. 



Coal- Measures. 



Hemipronites crenistria, IMiillips, sp., No. 204 Hills west of Camp Floyd, latitude 40° 13', lon- 

 gitude 112° 10'. Lower Carboniferous. 



RhynchoneUa — , undt. sp., No. 185 Medium size, moderately gibbous, with three 



plications on the mesial fold and five on each 

 side of it. Latitude 40° 6' ; longitude 112° 42'. 

 Probably Lower Carboniferous. 



Athyris subtilitu, I lall, sp., No. 241 West side of Long Valley, latitude 40°; longitude 



115° 15', in yellow limestone of the age of Coal- 

 Measures. Larger specimens of apparently 

 the same species were also found in the same 

 rod; between Long and Ruby Valleys; like- 

 wise at Fort Leavenworth, Kansas Territory, 

 in the Coal-Measures. 



Athyris , one or two undt. sp At Timpanogos Canon ; latitude 40° 20', longi- 

 tude 111° 42'. Coal- Measures. 



Terebratula /, No. 244 Small, subglobose, or subovate ; valves nearly 



the ventral valve, and a corresponding eleva- 

 tion in the other; surface marked by regular, 

 ■.ill. West side 

 of Long Valley; latitude 40°; longitude 115° 

 15', in yellow limestone. Coal- Measures. 



Terebratula .' Bather small, smooth, much more compressed 



than the last ; ventral valve sinuous near the 

 front. West of Camp Floyd ; latitude 40° 13', 

 longitude 112° 10'. Lower Carboniferous. 



Spiriferina pnlehra, Meek, No. u 13 Bast and west side of Long Valley; pass east 



of Euby Valley; latitude 40°; longitude 115° 

 20'. Upper Carboniferous. 



Spirifer seobina, Meek Yellow limestone, divide between Long and 



Euby Valleys; latitude 40O; longitude 115° 

 20'. Upper Carboniferous. 



Spirifer camtrratus, Morton Second fork of Grasshopper Creek, Kansas. 



Goal-Measures. 



Spirifer eameratus, var. occidentalis,Xo. 356 Summit of Spring Pass; east of Long Valley 



and 1 >et ween Long and Ruby Valleys ; longitude 

 115o 12' to 20' ; latitude 39° 33' to 40°. Upper 

 Carboniferous. 



Spirifer , undt. sp., No. 201 In hard, dark-colored limestone, west of Camp 



Floyd; latitude 40° 13'; longitude 112° 10'. 

 Lower Carboniferous. 



