Extinction of domestic races, i. 221.
Eyes, hereditary peculiarities of the, ii. [8]-[10];
loss of, causing microphthalmia in children, ii. [24];
modification of the structure of, by natural selection, ii. [222]-[223];
fusion of, ii. [341].
Eyebrows, hereditary elongation of hairs in, ii. [8].
Eyelids, inherited peculiarities of the, ii. [8].
Eyton, Mr., on gestation in the dog, i. 30;
variability in number of vertebræ in the pig, i. 74;
individual sterility, ii. [162].