Jeffries Wyman. 91 
disposal, and they were brought out in his elaborate article in 
the “ American Naturalist.” Here the extraordinary develop- 
ment of tactile sense, taking the place of vision, and perfectly 
adapting the animal to its subterranean life, is completely de- 
monstrated. 
If Professor Wyman’s first piece of anatomical work was the 
preparation of a skeleton of a bull-frog, in his undergraduate 
days, his most elaborate memoir is that on the anatomy of the 
nervous system of the same animal (Rana pipiens), published in 
by similar appeal, an extract from which I beg leave to appen 
In a note.* 
So, in describing the structure of the optic nerves in the frog, 
and the development of the eye and optic lobes, he proceeds to 
remark, that— 
‘ The instances of Proteus and Amblyopsis naturally suggest 
hie questions, whether one and the same part may not combine 
Uctions wholly different in different animals, and whether the 
* “If by force is meant the muscular energy and peepee the limbs, this 
8 nt ins 
other jut does not appear to be sustained in the prese ce, nor in many 
instances brought to notice by comparative anatomy. In man the rose 
i>) 
F 
FA 
3 
SG 
largest. ho”, 1e8ree. In birds the posterior bu : 
boida} ‘s,  -US" this condition is in part dependent upon the presence of the rhom- 
se In these animals, whi e muscular energy of the wings is the 
eloped, the sensibility of the feet is the more acute.” 
