Artiodactyla, ileo-colic junction of, [209]

Arvicola pennsylvanicus, ileo-colic junction and cæcum of, [211]

Asymmetrical type of ileo-colic junction, [223]

Ateles, ileo-cæcal folds of, [261]
ater, ileo-colic junction and cæcum of, [214]

Atresia ani, [24], [28]

Axial mesoderm, connection with splanchnic and somatic mesoderm, [22]

Bassaris astuta, ileo-colic junction of, [212]

Batrachians, stomach of, [44], [46]

Belone, alimentary canal of, [40]