72 S.S. Lyon and S. A. Casseday on new species of Crinoidea. 
radial pieces, five ; four of which are of the same form and size; ] 
ance: 
olate, obtusely pointed at the superior extremity ; the fifth is large, irreg- 
ularly pentagonal ; one of its sides supports two of the anal pieces. First 
rays. The inner upper margin of the last piece in all the rays support 
—s 
i=} 
o 
o 
bas 
a 
<1 
7 
Z 
o 
f= J 
a 
oe 
PI 
@Q 
2 
Lar} 
tq 
we 
GB 
& 
a 
= 
4 
a" 
° 
So 
ie] 
° 
=] 
n, 
-o. 
3 
g9Q 
we 
minute, making the upper margin of the field nearly horizontal ; the 
two support one subquadrangular piece (the largest in the anal field) 
above which are three of the same form rapidly diminishing in size, 08 
Tunning the anal field to a point. ately ; 
umns delicate pentagonal (near the body), composed. of alternate'y 
and smaller thin se: ( % 
larger 
Total length, - : : “ ‘25 inches. 
Greatest diameter, : = ae mee 
Hei t of calyx, ber “y - "05 ms 
diameter of calyx, - —  * 
