THE SCIENTIST. 
115 
with one or two smill elongate pieces be- 
tween tlie arai openings. Plates of the dome 
large and small. Anal tube sub central, 
moderately strong and directed away from 
the anal side. Plates thick. Arm openings 
directed slightly upward aad for.ning a 
rounded zone at the union of the vault and 
cjlyx. There is a slight constriction in the 
calyx, traversing the middla of thi first radial 
plates. 
Descril^ed from one specimen found at the 
base of the Lower Burlington Limestone at 
Louisiana, Mo. 
BaTOCRINUS ABSCIiSUS, n. sp. 
Plate III Fig. 6, side view of the body. 
Natural size. 
Calyx, the inverted frustum of a low and 
rapidly expanding cone. Vault, a much 
higher cone. The arm-bearing plates f rm 
either a coatinuous band ar:)und the body or 
are divided into tooth-like projections and 
are sixteen in number. Basal plates form a 
low rounded rim above the upper stem joint. 
First radial plates, once and a half as wide 
as long and hexagonal. Second radials quad- 
rangular less than twice as broad as long 
Third radial ■> pentagonal and. less than the 
second I'adials in size. The two plates of 
the secondary radial series are broider thai 
lo 'g, the upper being the larger and a bi- 
furcating plate. The radials of the third 
series are three or four in number, with a 
width twice as great as the length, some of 
them being quite as large as the first radials. 
First plate of the anal series nearly as large 
as the first radials, length and width being 
equal, heptagonal. The three plates resting 
above this are nearly as larg?, equal in 
dimensions, heptagonal. Two smaller plates 
above, one succeeding the other, complete 
the anal series, not reaching the arm-bearing 
plates. The first interradial plate, large, 
scarcely less than the first radials, ten sided, 
slightly wider than long. Two smaller plates 
longer thin wide rest upon this with possibly 
oae small plate still higher. 
Vault high, lower plates large. The sm 11 
plates on the anal side and about the base of 
the proboscis or ventral tube, nodose. Tube 
slender. The plates of the calyx as well as 
the larger d )ni3 plates are apparently without 
ornamentation. 
The specimens of this species were found 
in the Archimedes horizon of the Keokuk. 
Limestone on Indian Creek, six miles south- 
west of Curryville, Pike Co., Mo. 
Batocrinus gurleyi, n. sp. 
Plate in. Fig. 7, s ide view of the body. 
Natural size. 
Calyx convex, rounded, a low bowl in out- 
line. Vault rather high, conical. The small- 
b-r plates of the vault are nodose. Olher 
plates of the body without ornament. The 
three radials of the first series are each nearly 
twice as wide as long and respectively six, 
four and five sided and with but little dif- 
ference in size. The two radials of the second 
series are larger than those of the first series, 
the upper being a bifurcating plate. The 
radials of the third order are three in num- 
ber. Arm openings sixteen, directed out- 
ward on tooth like projections. First anal 
plate about as large as the first ridials fol- 
lowed above by three smaller pieces, two 
l~>ng narrow plates completing the series. 
The plates of the interradial areas are three 
in number the lower one being the largest 
plite in the calyx. Basal plates form a low 
roun-led rim about the column. Anal tube 
nearly central, not strong. This species 
differs from the preceding form in the deeper 
calyx and different outline, less elevated 
vault and more nearly central position of the 
anal tube. 
Named in honor of Wm. F. E. Gurley of 
Danville, 111. 
Collected near the base of the Keokuk 
Limestone, on Indian Creek, Pike Co., Mo. 
