of varieties of orange, i. 336;
of species of strawberries, i. 351-352;
of Cucurbitæ, i. 357-358;
of flowering plants, i. 364;
of pansies, i. 368.
Interdigital pits, in goats, i. 102.
Intermarriages, close, ii. [122]-[123].
Intestines, elongation of, in pigs, i. 73;
relative measurements of parts of, in goats, i. 102;
effects of changed diet on, ii. [302].