Bear, catching water-insects, 184.
Bee:
sting of, 202.
queen, killing rivals, 202.
Bees fertilising flowers, 73.
Bees:
hive, not sucking the red clover, 95.
cell-making instinct, 224.
humble, cells of, 225.
parasitic, 218.
Beetles:
wingless, in Madeira, 135.
with deficient tarsi, 135.
Bentham, Mr.:
on British plants, 48.
on classification, 419.
Berkeley, Mr., on seeds in salt-water, 358.
Bermuda, birds of, 391.
Birds:
acquiring fear, 212.
annually cross the Atlantic, 364.
colour of, on continents, 132.
fossil, in caves of Brazil, 339.
of Madeira, Bermuda, and Galapagos, 390.
song of males, 89.
transporting seeds, 361.
waders, 386.
wingless, 134, 182.
with traces of embryonic teeth, 451.
Bizcacha, 349.
affinities of, 429.
369