Thymus, derivation of, [34]
Thynnus, pyloric appendices in, [120]
Thyroid, derivation of, [34]
Tolypeutes, ileo-colic junction of, [207]
Transverse anal fissure, [27]
colon, development of, [54], [244]
differentiation of, [76]
mesocolon, development of, [80]
Trichosurus vulpinus, ileo-colic junction and cæcum of, [205]
Trigla, biliary ducts in, [145]
Troglodytes niger, ileo-colic junction and cæcum of, [217]
Types of ileo-cæcal folds in Primates, [265]
ileo-colic junction and cæcum, phylogeny of, [217]
Umbilical arteries, [63]
hernia of embryo, [52]
loop, derivation of adult intestinal segments from, [53]
divisions of, [52]
of embryonic intestine, [52]
relation of vitello-intestinal duct to, [52]
veins, [147]
changes after birth in, [152]
final arrangement, [151]
further changes in, [149]
intra-hepatic distribution, [152]
vesicle, [22]