Biliary ducts in Accipenser, [145]
in Amphibians, [145]
arrangement of, [145]
in birds, [145]
in Buceros, [145]
in calf, [145]
in dog, [145]
in Galeopithecus, [145]
in Lophius, [145]
in Lutra, [145]
in Monotremes, [145]
in Phoca, [145]
in Reptilia, [145]
in sheep, [145]
in Tarsius, [145]
in Trigla, [145]
in Xiphias, [145]

Birds, folds of intestine in, [196]
glandular stomach of, [50]
biliary ducts in, [145]
ileo-colic junction of, [203]
muscular stomach of, [50]
venous system of, [161]

Blastoderm, [20]
layers of, [21]
primitive, [20]

Blastodermic vesicle, [20]

Blastomeres, [20]

Blastula, [20]

Blastosphere, [20]

Body-cavity, development of, [21]
primitive condition of, [29]

Body-wall, [22]

Boselaphus tragocamelus, ileo-colic junction and cæcum of, [210]