Internal iliac artery, [63]
perineal folds, [27]
Intestinal blood vessels, effect of intestinal rotation on, [59]
canal of Amphioxus, [191]
of Amphibians, [191]
of Cyclostomata, [191]
diverticula, [193]
of Dipnœans, [191]
of Teleosts, [191]
folds of mucosa, [193]
non-differentiated, of lower vertebrates, [191]
folds in Amphibia, [196]
in birds, [195]
in fish, [196]
furrow, primitive, [22]
glandular apparatus in lower vertebrates, [195]
groove, primitive, [22]
juice, function of, [194]
mucous membrane of Cervicapra, [196]
of Echelus conger, [197]
Lophius, [197]
lymphoid tissue, [196]
of Phocæna, [196]
of Thalassochelys, [197]
rotation, [58]
arrest of development, [60]
demonstration in cat, [67]
spiral fold, function of, [193]
vascular supply, [63]
in cases of non-rotation, [67]
villi of Carnivora, [195]
of Casuarius, [195]
of Ophidia, [195]
of Ursus maritimus, [195]
Intestine in early human embryo, [52]
general consideration of, [51]
large, and cæca of Hyrax, [234]
functions of, [198]
length of, [199]
of monkeys, [199]
of rodents, [199]
width of, [199]
small, [192]
absorbing apparatus, [195]
divisions of, [194]
length of, [192]
secretory apparatus, [194]
structure of, [194]
villi, [195]
Isthmus, duodeno-colic, [57]
Jejuno-ileum, development of, [54]
Labrus, stomach of, [44]
Lagomys pusillus, colon and cæcum of, [232]
Lagothrix humboldtii, ileo-colic junction and cæcum of, [215]
Lamellirostra, ileo-colic junction and cæca of, [203]
Lateral vein in Selachian, [155]