Trumpeter pigeon, i. 154;

known in 1735, i. 207.

Tscharner, H. A. de, graft-hybrid produced by inosculation in the vine, i. 395.

Tschudi, on the naked Peruvian dog, i. 23;

extinct varieties of maize from Peruvian tombs, i. 320, ii. [425].

Tubers, bud-variation by, i. 384-385.

Tuckerman, Mr., sterility of Carex rigida, ii. [170].

Tufted ducks, i. 281.

Tulips, variability of, i. 370;

bud-variation in, i. 385-386;