TABLE OF CONTENTS. 
MORPHOLOGY. 
I.—Tue SKELETON GENERALLY, WITH THE MopEs or UNIon OF ITs COMPONENT JOINTS, 
Syzygies, 
Articulations, 
I[.-—Tuer Stem anp 17s APPENDAGES, . 
A. Pentacrinide, . ; P 
Termination of the Stem below, 
B. Bourgueticrinide, 
Morphology of the Stem, 
C. Hyocrinide, 
I1J.—Tue Catyx, 
A. The Basals, 
B. The Radials, 
C. The Interradials, 
Anal Series, 
IV.—Tue Rays, A : ; é 
A. The Ray-Divisions and Arms, . 
B. The Pinnules, . : 2 
Pinnules of Paleocrinoids, . 
V.—Tue ViscrraL Mass, 
A. The Oral Plates, 
B. The Perisomatic Skeleton, 
C. The Visceral Skeleton, 
V1I.—Tue Minute Anatomy oF THE Disk AnD ARMS, 
The Geography of the Disk, 
The Digestive Tube, 
The Water-Vascular System, 
. The Blood-Vascular System, 
Labial Plexus, 
Plexiform Gland, 
Chambered Organ, . 
. The Genital Glands, 
. The Nervous System, 
Ambulacral Nerve, . 
Axial Cords, 
Parambulacral Network, 
Circular Commissure, : 
G. The Sacculi, and the Colouring Matters, 
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