effects of seasonal conditions on the, ii. [274];
annual varieties of the, ii. [305].
Heat, effect of, upon the fleece of sheep, i. 98.
Heber, Bishop, on the breeding of the rhinoceros in captivity, ii. [150].
Hebrides, cattle of the, i. 80;
pigeons of the, i. 183.
Heer, O., on the plants of the Swiss lake-dwellings, i. 309, ii. [215], [427];
on the cereals, i. 317-319;
on the peas, i. 326;
on the vine growing in Italy in the bronze age, i. 332.