WILLARD: CRANIAL NERVES OF ANOLIS CAROLINENSIS. ras 
Gaupp (’88) made a comparative study of the innervation of the 
mouth and nasal glands in vertebrates. Of the saurians he studied 
Chamaeleo, Platydactylus, and Lacerta. He also described the con- 
ditions in the other reptilian orders. His results for the lizards, briefly 
- summarized, are as follows. 
Superior labial glands innervated by maxillary V in the maxillary 
part, by the ophthalmic V (nasalis) in the premaxillary part, possibly 
by VII also. Median palatine glands by palatine VII exclusively. 
Lateral palatine glands by V and VII. Inferior labial glands by the 
terminal twigs from ramus alveolaris inferior V. Sublingual gland 
by lingual V and chorda tympani VII. Lingual glands same as sub- 
lingual. On the basis of innervation he homologizes the palatine 
glands of the lizard with the “ Rachendruse”’ (Born ’76) of Amphibia, 
and the reptilian sublingual with the mammalian sublingual and sub- 
maxillary. In the nerve distribution described, Gaupp recognized 
the essential relations between V and VII in both upper and lower 
“mouth wall that have been pointed out in Anolis. He does not take 
into account other structures associated with the glands, which might 
account for the presence of certain nerves in proximity to them; 
for example, the taste buds, which are universally present wherever 
glands occur within the mouth region (not including the labial glands). 
Nor does he recognize important visceral elements in the form of 
sympathetic fibers which are carried by all these nerves and whose 
| relation to the glands is not well understood. 
O. GLOSSOPHARYNGEAL NERVE. 
Nerve IX is connected with the brain by two roots (Plates 2, 3, 
| figs. 6, 7), a dorsal fine-fibered and a more ventral coarse-fibered root. 
Both roots appear at about the same point in the series of cross 
sections, which, because of the flexure of the medulla, would indicate 
a more posterior position for the ventral one. The dorsal root is 
composed wholly of fine fibers of the viscero-sensory type. The 
ventral is presumably a motor root because the fibers are similar 
to the motor components of VII and may be traced directly through 
the ganglion and to its union with XII along with some of the fine 
fibers. The motor and sensory roots pass down separately to the 
closing membrane of the foramen, through which they emerge as 
,a common trunk (Plate 6, fig. 19, rv. LX). 
| The central courses of these two components were partly made out 
from the series of cross sections. The fasciculus solitarius is a clearly 
