Geology and Mineralogy. 113 
¢ united together. Medial nerve well marked; secondary nerves emerging 
" more or less obliquely from the medial nerve, simple or furcate. 
| 1 species, uppe 
Bs 2. coon gh species, Appear to be distributed through upp 1] ] 
8. CaLLirreris, 1 species. 
wees. 25 species. Characterize mostly the ig coal, several species in 
D. Of Doubiful Family. 
CremaTorPreris, 1 ies, ScOLOPENDEITES, 1 s ies. 1s, 1 species, 
lower coal. Cann a nse species. Cor Bir nes appar il 
E. Asterophyllitee.—Includes herbaceous plants or trees, the stems or- 
dinarily striated 2 ens e. 
be 1. SPHENOPHYLLU. ha gers upper and lower coal. 
| 2. pte. ‘ species, m ostly upper coal. 
3. ES, 9 species, upper coal. * 
4. Freja 1d « pray upper and lower. 
F. Stems of Trees 
ULOPTERIS, 3 specie —7 or wholly lower coat 
2. DrerotEcrum, I species, lower co: 
3. Stigmarra, 7 species, upper ried lower eee the Stigmaria ficoides from thé 
oal Measur 
. Stertiarr, 37 species, natin coal. 
. SyrmGopennEoy, 8 specie di ond lower coal. 
8s mend coal. 
bet OO GO AT Oa On > 
cE 
5 
Ba 
wy 
nD 3 9 
"Bw 480 B 
-_ 
m 
S 
oO 
g 
© 
LB 
peat 
i=) 
a3 
= 
38 
ES 
4 
zl 
c 
z 
i 
41H 
ses 
ah 
g 
oO 
zB 
ms 
. Cones, Fruits. 
yll 
3,3. 
10 species, lower coal. “ 
3. On the Coal Measures of Missouri; by G. C. Swantow.—In con 
nection with the above it is i er the 
in Missouri by G. C. Swallow and pu ished in his State gical Re- 
rt for 1855. He divides the Coal Measures into the Upper, lle and 
commencing above, 
wer. The following is an abstract of the sections, 
= = mentioning the most common fossils. 
: 3 1 Upper Coal Series. 
feet of ot ind blue shale. 8. $ feet of bituminous shale. 
feet limestone. a Terebratula subtilita, Productus costatus, 
bituminous 
Fossils: same as in No. 1, with also Spirifer Meuseba- 
ntecvgredl seseenenary Chonetes granulifera, 
ventas? fet ee 
Foal: neariy an 0. 6. 
a 11. 5 itp 
ges cay rice shales. Fossils: Tereb. subtilita, Orthis 
