EXPLANATION OF UPPER PART OF PLATE 
XXXIII, 
Illustrating Mr. Carrington Purvis’ paper “On Terminal 
Organs in Connective Tissue of the Skate.” 
List of Reference Letters. 
a.cy. Axis cylinder of nerve-fibre. a. cyt. Terminal portion of axis 
cylinder within the capsule. c. Capsule. g. s. Grey sheath of nerve. 
Fic. 1.—General appearance of ‘‘terminal organ.” The capsule is faintly 
striated. (x 350.) 
Fig. 2.—A simpler “ terminal organ” than the above. Axis cylinder 
terminates in a hook-like process (4.). (x 300.) 
Fig. 3.—Termination of several nerves inside a single capsule. a. cy’.— 
a. cy’. The axis cylinders of the four nerves which enter the capsule. 
(x 350.) 
Fre. 4.—Axis cylinder ending in a pyriform spirally-striated body (py. 4.), 
highly magnified (x 1250). The capsule (¢c.) had burst during the process 
of mounting. 
