HUTCHINSON, Col., liability of dogs to distemper.
HUXLEY, Prof., on the transmission of polydactylism. -on unconscious selection. -on correlation in the mollusca. -on gemmation and fission. -development of star-fishes.
HYACINTHS. -bud-variation in. -graft-hybrid by union of half bulbs of. -white, reproduced by seed. -red. -varieties of, recognisable by the bulb.
HYACINTH, feather.
Hyacinthus orientalis.
Hybiscus syriacus.
HYBRIDS, of hare and rabbit. -of various species of Gallus. -of almond, peach, and nectarine. -naturally produced, of species of Cytisus. -from twin-seed of Fuchsia coccinea and fulgens. -reversion of. -from mare, ass, and zebra. -of tame animals, wildness of. -female instincts of sterile male. -transmission and blending of characters in. -breed better with parent species than with each other. -self-impotence in. -readily produced in captivity.
HYBRIDISATION, singular effects of, in oranges. -of cherries. -difficulty of, in Cucurbitae. -of roses.
HYBRIDISM. -the cause of a tendency to double flowers. -in relation to Pangenesis.
HYBRIDITY in cats. -supposed, of peach and nectarine.