1882.] PROF. ST.-GEORGE MIVART ON THE ZLUROIDEA. 509 
A large Peyer’s patch extends down to the ilio-czcal valve; and 
there are glands at the ceecum’s apex. In adried specimen I find 
the cecum with a rounded dilatation at its end; but this is pro- 
bably an artificial distortion. 
In Hemigalea I found the cecum to be of about the same size as 
in the Genet, but with strong ineffaceable internal folds, which 
meet at the apex around a small glandular rosette of about six 
glands, each gland being about the size of a pin’s head. 
In Galidia the ceecum is long, rather slender, and exceedingly 
pointed towards its apex. In Cynictis it is very long (compared 
with the other Aluroids), rather slender, and a little curved. 
In Aretictis the ceecum all but or quite aborts’. The large 
and small intestines run on as one longitudinal tube, of equal 
calibre, independently of it, with long and strong internal longi- 
tudinal folds, which are not interrupted at the place where the 
minute, quite rudimentary czecum is given off. There is no trace of 
a transverse constriction or valvular structure between the small and 
the large intestine. In Nandinia, on the contrary, though there is 
no external indication of a caecum, or change in the gut’s diameter, 
there is a distinct interruption in the internal structure of the 
alimentary tube at the junction of the small and large intestines. 
There is, in the first place, a transverse valyular fold. On the small- 
intestine side of this fold there is a large continuous Peyer’s patch, 
while on the cther side of it longitudinal ridges begin to appear. 
These ridges, however, are not nearly so strongly marked as they are 
in Arctictis. 
In Proteles the czecum is short, thick, and rounded ”. 
In Hyena the cecum is long, simple, and rather pointed. It is 
about 8 inches long. In Crocuta* it is 6 inches long. 
Cuvier‘ gives the proportion in the Hyzenas of the circumference 
of the small intestine to its length as 1 to 110, and of the large as 1 
to 6. He also says® that the small intestine increases in diameter 
from the pylorus to the cecum, and that its walls are so thin as to 
be almost transparent, though those of the Carnivora are generally 
more or less thick. 
Meckel® says that the proportions borne by the small intestine to 
the large intestine, are in the Cat from 5 to 1 to 6 to 1, in the 
Genet as 8 to 1, in the Civet as 10 to 1, in the Zibeth as 15 to 1, and 
in the Hyena as 5 (or 7) to 1. 
According to Hunter (‘ Essays and Observations,’ vol. ii. p. 56), 
the small intestine in the Suricate is ‘‘something more than the 
whole length of the body of the animal,” while the large intestine 
‘“‘is more than half that length.” 
1 P. Z.8. 1878, p. 142. On the other hand, the caecum may be half an inch 
long: see Journal of Asiatic Soc. of Bengal, vol. xv. p. 193. 
2 P.Z.8. 1869, p. 474. 3 P. Z.8. 1879, p. 84, fig. 2. 
4 Lecons d’Anat. Conip. vol. iy. 1° partie, p. 211. 
5 Er, ¢..p: 236. 6 Anat. Comp. vol. viii. p. 703. 
