72 KANSAS ACADEMY OF SCIENCE. 
ally places them (those at Nebraska City) in the lower half of his Wabaunsee 
formation, basing this correlation on the nature and fauna of the rocks and their 
relation to the Cottonwood formation above. 
It is my purpose to give a few observations on their stratigraphic relations to 
their supposed equivalents along the Kansas river in Kansas, and to trace some 
of the latter until they practically connect with the rocks studied by Meek and 
Hayden. ' 
THE NEBRASKA CITY SECTION. 
PROSSER’S SECTION. 
The Nebraska City section, as it now appears at the brick-yards diggings, 
near the old landing, is accurately given by Professor Prosser in the article re- 
ferred to (page 19, reprint). I quote it here, as my section adds no new features 
of importance: Thickness. 
iy whey ft. in 
“8, Massive somewhat calcareous sandstone................. 2 AG 40 6 
i= Rather arsnaceous siiales..... ee painless Gee 1 0O 38 «(0 
6. Limestone with fossils, Fusulina cylindrica, etc. (No. 3 of 
Meeks paction) i0% | cc ceb ee meee ceth as oe ere 1 ieil 2a 0 
5. Black, very bituminous shales with thin layers of coal (No. 
2 of Meek’s.seetion) 26405. 90. as wee es Sa Cet et pA ees lal 
4, Mainly argillaceous.shales:, 4 35... S2.5005, coe sms oes ae eu ee 9 O 20 O 
3. Arenaceous shales with thin, irregular sandstone at top.. 5 0 ll 
2. Massive, soft ard friable brownish sandstone (about rail- 
road level); Nos. 2 and 3 equal division D of Meek’s 
SECTION | iin Se cibctin mist occod el ol a bance ee Rn tn ene Sua 6g 
1. Argillaceous shales that furnish material for vitrified 
bricks (the upper part of division C of Meek)......... 3s 0 73 
No. 8 is quite fossiliferous, as may be seen on the weathered edges, contain- 
ing pelecypods and gastropods, though they do not weather out satisfactorily, 
nor can they be separated from the matrix. No. 6 sometimes attains a thickness 
of two feet. From the base of this section to within thirteen feet of the river at 
low-water level the rocks are covered. About thirteen feet above low-water mark 
there is a light gray massive limestone, exposed in two layers of about nine inches 
each, beneath which are about three feet of light green, argillaceous shales rest- 
ing on some red shales. The remainder of the section is covered. 
Owing to the changed condition of the section at Nebraska City, and the ease 
of comparing the full section with the sections and their fauna of the Kansas 
Coal Measures, it is necessary to give here Meek’s section and the fossils col- 
lected from it: 
MEEK’S SECTION. : Thickness. 
‘*‘Loess or bluff deposit, consisting of fine, light grayish pulverulent sili- ft. in. 
ceous and more or less calcareous clay or marl, without distinct 
marks of stratification; rising back to the height of 80 to. ..... 90 0 
D. Yellowish-gray micaceous soft sandstone, laminated or in thin, ripple- 
marked layers, excepting 12 to 15 inches of the lower part, which 
is sometimes hardened and compact; with fragments of plants.. 10 0 
C. Drab, ash, and lead-colored, and reddish-brown clays, with, near 
the middle, a 9- or 10-inch hard bluish-gray argillaceous layer, 
weathering to a rusty color. Fossils numerous, particularly near 
the lower part, as follows: Rhombopora lepidodendroides, Loph- 
ophyllum proliferum, Scaphiocrinus ? hemisphzricus, Eocidaris 
Hallianus, Synocladia biserialis, Fenestelia Shumardi, Polypora 
submarginata, Glauconome trilineata, Lingula Scotica? Hemi- 
pronites crassus, Syntrielasma hemiplicata, Chonetes glabra, C. 
granulifera, Productus pertenuis, Productus longispinus (?), P. 
*In the above section, in the original, the total thickness is calculated without No.1. I 
have taken the liberty to change the second column of figures so as to include No, 1, making 
the section 40 feet 6 inches, instead of 37 feet 6 inches. 
