84 
EXPLANATION OF PLATES 51. 62. 
abdominal cavity. See V. I. p. 428. Note. (Copied 
from Miller’s Crinoidea, P. 41. PI. III. 
Plate 51. V. I, p. 434, and 439. 
Fig. 1. Pentacrinites Briareus, (nat. size) on a slab of 
Lias from Lyme Regis, covered with a large group 
of the same animals, in the collection of the Geolo- 
gical Society of London. (Original.) 
Fig. 2. Rare and beautiful specimen of Briarean Penta- 
crinite, from the Lias at Lyme Regis, in the collec- 
tion of Mr. Johnson, of Bristol, shewing the plated 
integument of the abdominal cavity, tenninated up- 
wards by a flexible Proboscis, and surrounded by 
the commencement of the arms and fingers. This 
part of the animal is very seldom preserved. See 
V. I. p. 439. (Original.) 
Plate 52. V. I. p. 432. 
Fig. 1. Recent Pentacrinus Caput Medusm, from the 
bottom of the sea, near the L Nevis, in the W. In- 
dies, reduced from the Figure in Miller’s Crinoidea, 
P. 48, PI. I. In the front of this Figure, two of 
the arms with their hands and fingers are much 
smaller than the others, and shew that these ani- 
mals, when mutilated, have the power of reproducing 
lost parts. 
D. Auxiliary side arms, articulating at distant intervals, 
with the vertebral column; these also, when muti- 
lated, are reproduced. 
A First costal plate. 
A Second costal plate. 
H. Scapula. 
I. Interscapulary joint. 
Miller’s description of this recent Type, of a family 
