Barbs, of wheat, i. 314.
Barberry, dark or red-leaved variety, i. 362; ii. [19];
reversion in suckers of seedless variety, i. 384.
Barbut, J., on the dogs of Guinea, i. 25;
on the domestic pigeons in Guinea, i. 186;
fowls not native in Guinea, i. 237.
Barking, acquisition of the habit of, by various dogs, i. 27.
Barley, wild, i. 313;
of the lake-dwellings, i. 317-318;
ancient variety of, ii. [429].