125 



Minerals and geological specimens — Continued. 



Blue, compact, limestone, Productus and Terehratula 



subtilUa 



do ...do .do corals 



, do .- do with Spirifer lineatus 



Yellowish cherty limestone, with Productus .. .. 



White limestone, with Spiriftr rockymoniana . .. 



Terebratula subtllita from 110 



Panopaea . .. 



Allorisma . . ...... 



Productus ... . . 



Spirifer cameraius . 



Terebratula subtilita.... 



Bdlerophon .. 



Chonetes .. .. . 



Chaetetes 



Pernio-carboniferous and permian. 



Fort Laramie 



do 



do 



Warm spring near Fort Laramie. 

 Near Fort Laramie 



Near Tecama, Nebraska 



Bellevue, Nebraska 



do 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 



Black hills 

 do. 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 



Arenaceous limestone, foliated with baktvellia . 

 Red sandstone, soft, very fine grain, under 125 



Pink sandstone, over 126 



Limestone, (125,) with Orthoceratite 



do with Bellerophon 



.... do . .with Pleurotomania... 



,. do with Spirifer 



do with Allorisma \ Big Blue, Kansas Territory 



Yellow magnesiaa limestone, with Nautilus, 3Ionotis, 



Bakevellta, Myalina . . 



do compact, with Mytilus ... 



Magnesian limestone, with Monotis 



do with Avicula. 



Chertz rock, gray, with Avicula and Myalina 



do (Burch stone,) with criaoidal columns 



Sacarhoid gypsum, over 133 



Monotis from 136 



Blue limestone, porous, with fenestella , 



Cellular calcareous rock 



do do.... more compact , 



do do with spherical cavities . 



do do. ...more argillaceous . 



Jurassic. 



Smoky Hill fork 



Banks of Mo., south line of Neb. 



Big Cottonwood 



12 miles west Big Blue 



Black hills 



do 



Smoky Hill fork 



do 



Big Blue 



Smoky Hill fork 



do 



do 



Near Cottonwood creek 



Arenaceous limestone, light brown, with Avicula 

 ienuicostata Black hills 



do bluish, over 146, with Avicula do. 



Ferruginous limestone, with Cypricardia ,...do. 



do red, with Avicula. . do. 



Yellow arenaceous limestone, with Serpula do. 



Limestone bored, with lithophagous mollusks do. 



Red marl, overlying 141, containing snowy gypsum do 



Snowy gypsum from 152 ! do 



Crystalline gypsum from seams in 152 do 



Fibrous gypsum do do do. 



Blue compact limestone, (fresh water,) in 158, con- 

 taining Unio nucalis and Planorbis 



Arenaceous limestone, same as 150, containing pen- 

 tacrinus, with serpula and ostrea attached to 

 surfaces 



Yellowish argillo-arenaceous limestone, with os- 

 trea. Upper Jurassic 



Gray shell limestone, containing Ammonites, Bele- 

 mites, Sf-c, interstratified with 158 . . 



.do. 



.do. 

 .do. 

 .do. 



.do. 



