tHfi<Mal Org-aii of the Kansas City Academy of hcieiice. 
VOL. V. KANSAS CITY. MO., JULY. 1891. NO. 7 
Proceedings Kansas City Academy of Scienc •. nted from the flrst r.ulhlls by the bevolod 
June j6, 1801. ^ , ^ ^ • i- 
siUiires but not lormino- any distiiu;t i nn. 
Description of some new t,^^ .,,^^1 j^,,^.^,^ 
Spocies of Echinodermata from the equal. Tlie beveled sutures o-ivc 
Sub-carboniferous Rocks of a curved aspect to tlie radiaLs which are " 
Pike County , Mo. )n-otuberaut at the articulatino- facets for 
By R. li. Rowley AND Sid. J. Hake. ^^^^ ^'^^ond radials. Facets, about half the 
width of the phites, semlcircuhir and 
The fossils herein ngured and described slightly directed outward. Second rad- 
w ith one exception, were collected by ials, observed in one ray, thick and show- 
Mr. R. R. Rowley in the Chouteau and ing two openings. The central of the 
Burlington groups and the type speci- three interradial plates in each area is 
mens are in his collection. All of the the largest and bears a spine-like node 
Lower Burlington species are from the above. Vault, depressed, convex; plates, 
quarries and ravines on the hill in the with small spine-like nodes. As the 
western part of the city of Louisiana; the specimen examined is partly imbedded 
Upper Burlington forms from the vicin- in limestone, the azygous side has not 
ities of both Louisiana and Curryville, been observed. A few joints of a round 
while the two Chouteau species were column rest against the base, but not at- 
collected along the prairie brooks east tached, and doubtless belong to the 
of Curryville. specimen. 
Collected in the Upper Burlinsrton 
PlATYCRINUS PLANO-BASALIS, n. Sp. ^ 3 ^umn^wu 
Limestone on Spencer Creek, two miles 
Plate 11. Fig. 1, side view of the calyx north ot CurvyviUe, Mo. The illustrated 
with a part of the vault. specimen is the only one found. 
Calyx, pail-shaped, sub-pentagonal; Plattcrincs alti-dorsatus, n, sp. 
width at the top a little greater than the ______ 
depth. Bottom, rather broad and fiat. T> late II. Fig. 2, side view of the body. 
Plates thick: sntm-es beveled: surface 
apparently smooth. Basals form a cir- General form, sub-spherical. Base, 
cular plate of moderate thickness, separ- pentagonal, deeply concave and not 
