Virgil on the selection of seed-corn, i. 318, ii. [203];

of cattle and sheep, ii. [202].

Virginian islands, ponies of, i. 52.

Virgularia, ii. [378].

Vision, hereditary peculiarities of, ii. [8]-[9];

in amphibious animals, ii. [223];

varieties of, ii. [300];

affections of organs of, correlated with other peculiarities, ii. [328].

Vitis vinifera, i. 332-334, 375.

Viverra, sterility of species of, in captivity, ii. [151].