G. C. Swallow on the Rocks of Kansas. 
SYSTEM IV.—PERMIAN. 
UPPER PERMIAN 
. 26—100 ee inde and yellow, cellular a brecciated limestone, alternating 
n, blue and soo arr ritiferous clay, containing a bed of 
pips r gypsum, 5 feet thick. 
on 
27—18 ft conglomerate of angu os ne water-worn gg. of Ey 
ted w 
lee not have its true 
—15 feet, resembling No. 26, but mpac 
feet dark brown, silicious limestone, a ecoatiing with coarse, — 
wn clays, containing crystals of chalcedony and agatized quartz. 
with white Fs Hata matter. This bed is local, 
€ pos 
30—25 feet dark buff, compact limest oe 
31—45 feet red clay. 
LOWER PERMIAN, 
382—25 cnt ai shale, containing pocdee whose drusy cavi 
are filled 
h crystals of quartz, and reniform ‘nodules of vag white 
soa 
May 
* 33—30 feet gray | onee see and flint, with beds of brown cla 
34—25 
“ys 
eet massive, cherty, magnesian limestone and brown gee ; the lower 
e s contain angular fragments of jasper 
erous, 
35—20 feet of brown ac fossilife 
36—18 feet red clay. 
387—60 feet sahissoti, yellow, magnesian limestone, with heavy beds of brown 
cla; 
ROR 
feet massive “ge = flint and limesto 
S—10 
39—25 x6: t petted and ow limestone, ¢ palais small globular and peat- 
pclae = Serie ye geodes with crystals, alternating with 
of brown and blu 
boos 
40—15 feet brown magnesian hapa alternating with beds of brown, 
olive-green and red cla 
41—25 “a a buff amygdaloidal eset emo and chert. 
eavy-bedd 
43— 3 ect bie fosiliferot slat 
own 
d yellow, — 
45—10 feet brilliant yulow, magnesian limestone 
& 8s 
ee x brown limestone, with numerous joints of large erinoidal 
ct light ‘yellow silicious limestone. 
ela. 
oot sition: calcareous slate. 
eet olive-green clay. 
eet ed clay. 
ark gray limestone. 
eet dark- ate. 
eet bluff limestone. 
eet brown s 
eet dark blue ai. 
et gray clay. 
eet compact, light buff limestone. 
Wh Clay. 
eet blue pact dra nb siliious 
oo te ilicious limestone, with small — of chert, 
ee PMMA SRR RRR ARREARS 
