sandstone; underlaid by a flesh-colored argillo-calearcous stratum, con- 
taining a oe of Mammalian and Chelonian remains. Turtle and 
reodon 
Old Woman’s Creek, a fork of Shyenne River; ane on the head of 
the South Fork of the Shyenne; most conspicuous on Sage and Bear 
creeks, and at Ash Grove Spring, Well aelopat in numerous localities 
in the valley of White River. 
ahickness, 80 to 100 Linde 
tic clay; then an ash-colored clay with a greenish tinge, underlaid at 
base by a light gray and ferruginous silicious sand and gravel, with pink- 
ish bands. Immense quantities of silex in the form of seams all through 
the beds. Titanotherium Bed. 
Old Woman’s Oren also in many localities ahs ey valley of the 
South Fork of Shyen Best development on Sage and Bear Cree ks. 
Seen at several localities in the valley of White River. 
pee 80 to 100 feet 
ceous.— Nos. 4 and 5 Se eaoepege beds 5 and 4, with their usual 
iol charivtars and. foss 
Exposed underneath the Tertiary Beds on the South Fork of Shy- 
on -— its southern branches, also in White River Valley near its 
sou 
Cauloge ep a - dmg hitherto described from the Tertiary Forma- 
of Wi d Niobrara rivers, with a Table showing their 
Spetiptepiiser dtm 
Beds in 
Ascending ordi, 
RUMINANTIA,. CIDIE 
| 
1. Oreodon gracilis, Leidy .....sse.eeeesseeee lee 
2. Oreodon Culberstoni, Leidy.........-++++--+ 
3. Oreodon major, Leidy...--.-+.++eese+ 
4. Agriochcerus major, Leidy.......-.+-+-2 00+ 
5. Agriochcerus antiquus, Leidy......++.+0+000+ i. 
6. Poebrotherium Wilsoni, Leidy.........+++++- 
7. Leptomeryx Evansi. Leidy.......0..eeeeeees 
BE Repieuchonia docoran, Ledy....--,-0--+--- 
_9. Leptauchenia major, Leidy....-..++++++0+0- 
10. Proto Halli, Leidy 
* 
* 
. 
ke Ke KR KK 
1 *# * *® & + kk kK Kk HK * 
pcodue necatis, Leidy. Sieesbs sto te eres 
deg eryx niobrarensis, Leidy.....2..++++ oe fenter 
erychocheorus proprius, Letdy......ccseceee Joel ecto e|# 
ace megs Dei ve erececcccncs deed er|es 
SPEC OPE EER Se eofeetes 
~ Sesi 20r SRRR sel eelee 
“Sooo. fe ur mide Srila BBainde eit 
oe poet oe }e &fT 
