ni 
OF THE UPPER MISSOURI. 
135 
MINERALS AND GEOLOGICAL SPECIMENS, continued. 
100. Blue cherty limestone, with Spirifer lineatus, Black hills. 
101. do with Rhynconella Mormoni, do, 
102. do. with Cyathophyllum, do. 
103. do. with Zaphrentis, . do. 
104, do. with Syringapora, . do. 
105. do. Fora, * AG do. 
106. Yellowish do. over No. 98, with Spirifer 
rockymontana, do. 
107. do. do. with Spirifers 
cameratus and lineatus, . .  . do. 
108. Cherty nodules in No. 98, . gown hy do. 
109. Arragonite, in No. 98, do. 
110, Coarse, irae limestone, with crinoidal 
colum - Fort Laramie. 
111. Blue, i Tiasitond, “with Fisduebie 
and Athyris subtilita, do. 
112. do. with corals, do. 
do. with Spirifer lineatus, do. 
114, peering] nes barcyenea se — i Ft. 4 fn 
115. i ar Ft. Laramie 
116. Athyris subtilita, dei No. o 110, -+ 
Bei easy 
HG loties, -. 5 os Le 
RAM RVOOMCNNE 258 ge NES 
120. Spirifer cameratus, . te WA: oe 
cats Angie eublitdle, <a Gee 
. Near Tecama,Neb. 
. Bellevue, Neb. 
rf do. 
do. 
122. Bellerophon, j § ; ; do. 
eiipscit sscauace-; En eee ee a ee do. 
AeA a do. 
PERMO-CARBONIFEROUS AND PERMIAN. 
125. 1: Pata with Bakenellia Black hills. 
126. Red sandstone, soft, vary fine grain, under 
No. 125 do. 
127. Pink dinedstoné, over No. 126, ee ce do. 
128. Limestone, No. uae _ Orthoceratite, . do. 
129, do. th Bellerophon, do. 
130. do. ane Pleurotomaria, . do. 
131. do with Spirifer,.  - do. 
132. do. with Allorisma, . Big Blue, K. T. 
133. Yellow magnesian —_- with Nautilus, 
Monotis, Bakeveltia, Myalina, Smoky Hill Mo. 
134, do. compact, with Mytilus, . * 7S. line of Neb. 
. Big Cottonwood. 
135. Magnesian limestone, with Monoiis, . 
136. do. with Avicula,. . 12m. W. Big Blue. 
137. Chertzrock,gray,with Aviculaand Myalina, Black hills. 
138. Chertz rock peg stone), with crinoidal 
columns, - Black hills. 
139. Saccharoid gypsum, over No. 133, - Smoky Hill fork. 
140. Monotis from No. 136, . “ do. 
141. Blue limestone, porous, with teatetaling . Big Blue. 
142. Cellular calcareous rock, . - Smoky Hill fork. 
143. do. more neo = 
144. do. with spherical cavities, 
145. do. more argillaceous, ps Neat jenn Cotton. 
JURASSIC. 
146. Arenaceous limestone, light brown, wi 
vicula tenuicostata, Black hills. 
147, do. bluish, over No. 146, with Avicula, do. 
148. Ferruginous limestone, with Cypricardia, do. 
149. do. Ted, with Avicula, do. 
150. Yellov tone, with Serpula, do. 
151. Limestone,bored with lith lusk do. 
152. Red marl, over No. 141, quntahiing anne. 
gypsum do. 
153. Snowy sini sel No. 152, do. 
154. Crystalline gypsum from seams in No. 152, do. 
155. Fibrous gypsum do. do. 
156. Blue compact limestone Snell be in 
No. 158, containing Unio nucalis and 
Planorbis,.  . do. 
157. Arenaceous limestone, same as =a 150, 
containing pentacrinus, with serpula and 
ostrea eons to — Gera We os do. 
158. Yellowisl ‘ mn 
— Upper J ee do. 
159. G g Ammonites, 
Belemnites, &.yi tratified withNo.158, do. 
160. Snowy gypsum, with no stains, equivalent 
Of 0G. 163,.6. 5) 58 . » Big Horn river. 
161. Gypsum, with crystals of eae ou do. 
Near sources of 
162. Snowy gypsum, + ete cp rohan 
Cretaceous. 
Formation No. 1. 
163. Conglomerate and sandstone, with Unios,. Badlands of Judith 
164. Conglomerate, . . do. 
165. do. fine, withMelaniasand Cyelas, do. 
166. Gray arenaceous limestone, with Melania 
and Heliz, . . do. 
do. 
167. Conglomerate, same as No. 165, 
