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PERMIAN AND CARBONIFEROUS ROCKS OF KANSAS. 
Light-grayish yellow, rather granular magnesian limestone, containing spines 
and plates of Archeocidaris; a few fragments of small Crinoid columns, Spirifer 
similar to S. lineatus, but perhaps distinct ; also same Spirigera seen in beds 
above, Orthisina Shumardiana, O. wmbraculum? and Productus Calhounianus. 
forms distinct horizon near summit of hills in vicinity of Fort Riley; also seen on 
Cottonwood creek. < -3 609 5 a G5 is Sak Cae ee Cah » Rib ty ae ce hob ha eee 
Soft argillo-calcareous bed, apparently local. Kansas Falls...... ++... ++5-. 
Light-grayish and yellowish magnesian limestone, containing many concretions 
of flint; also the same Spirigera found in beds above, and Productus Norwoodi, 
P. Calhounianus, with Discina tenuilineata and an undetermined Monotis. Fort 
Riley and below; also at Kansas Falls and on Cottonwood creek-+++++..+++ 055+ 
Alternations of bluish, yellowish and brown clays, with a few thin seams of lime- 
stone. ort Riley, Kansas Falls; also below Fort Riley, and on Cottonwood 
CT OCH « 050 6-0 0 6 00 6 (00 0 6'ss weenie w wep OW p o's eis! e + p66 6 8 6 6 0.68 (60,8 © 6 pele We vo epee eee 
Light-yellowish magnesian limestone, containing fucoidai markings, fragments 
of small Crinoid columns, Pecten, Allorisma, Spirigera, Orthisina umbraculum? 
O. Shumardiana, Discina tenuilineata, &c. Lower quarry at Fort Riley, and at. 
other places above and below Fort Riley, as well as on Cottonwood creek-+.+++++ + 
Alternations of blue, red, and light-gray clays, with sometimes thin layers and 
seams of magnesian limestone. Fort Riley op hha es ee New dus aa eee hk ta ee Oe 
Light-gray and whitish magnesian limestone, containing Spirigera, Orthisina 
umbraculum? O. Shumardiana, Productus Calhounianus, Acanthocladia Ameri- 
cana, and undt. sp. Cyathocrinus. Lower part containing many concretions of 
flint. Fort Riley and on Cottonwood creek. Whole thickness about.--.---.-- 
Brown, green, and very light gray clays, alternating; contains near the upper 
part fragments of Crinoid columns, Synocladia biserialis, Spirigera, Productus 
Norwoodi, Chonetes mucronata, Orthisina Shumardiana, Orthisina umbraculum, 
dc., with teeth of Petalodus Alleghaniensis. Fort Riley---+++++ +--+ eee +ee 
. Alternations of rather thin layers light yellowish magnesian limestone, and va- 
rious colored clays; the ae layers containing Vonotis, Synocladia biseri- 
alis, cdc. Locality RINE CR TEED oo Sa es ee aie ek pee ee os 8S SS ee 8 
. Slope; no rocks seen. Below tea Riley Deen sakes epi e tee sav fs 6 C0is Geek 
. Whitish, or very light-gray magnesian limestone, rendered porous by cavities 
left by the weathering out of numerous Fusuline. This is the highest horizon 
at which any remains of Fusulina were met with. Some four miles below Fort 
Riley, along a creek on the south side of the Kansas, and apparently not more than 
ten feet Above it. +++ se eee ee cee e ee neces cee eee eee tees cone recs senna 
. Bluish, light-gray, and brown clays, with occasional layers of magnesian lime- 
stone. Chonetes mucronata, Orthisina umbraculum? Monotis, Fusulina, &c. Ten 
miles below Fort Riley BOSE dined . ES BU Se ee 
Hard, very light yellowish-gray magnesian limestone, with Fusvlina, and spines 
of Archeocidaris. Forms a marked horizon near the same locality as last. ---. 
. Slope, with occasional exposures, thin layers of Fusulina limestone, and seams 
of gray limestone containing Myalina, Monotis, Pecten and fragments of Syno- 
cladia biserialis. Near same locality 8 asl cb ck Sve ete vic ts CEO eee 
Light-gray argillaceous limestone, showing on weathered surfaces a somewhat 
laminated eserger contains — — of Archecidaris. Near a Fe 
and Manhattan - - Wa ot 
. Gray limestone, often ‘Wegman: with seis eee ser einer sal ard, 
and more or less cellular i in middle. Locality same as last...---+-- ++ -++++++ 
Soe 
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7 to 8 
33 
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