Wallachian sheep, sexual peculiarities in the horns of, i. 96.
Wallflower, bud-variation in, i. 382.
Wallich, Dr., on Thuja pendula or filiformis, i. 362.
Walnuts, i. 356-357;
thin-shelled, attacked by tomtits, ii. [231];
grafting of, ii. [259].
Walsh, B. D., on galls, ii. [282], [283];
his "Law of equable variability," ii. [351]-[352].
Walther, F. L., on the history of the dog, i. 16;
on the intercrossing of the zebu and ordinary cattle, i. 83.