HAWKER, Col., on call or decoy ducks.

HAWTHORN, varieties of. -pyramidal. -pendulous hybridised. -changes of, by age. -bud-variation in the. -flower buds of, attacked by bullfinches.

HAYES, Dr., character of Esquimaux dogs.

HAYWOOD, W., on the feral rabbits of Porto Santo.

HAZEL, purple-leaved.

HEAD of wild boar and Yorkshire pig, figured.

HEAD and limbs, correlated variability of.

HEADACHE, inheritance of.

HEARTSEASE. -change produced in the, by transplantation. -reversion in. -effects of selection on. -scorching of. -effects of seasonal conditions on the. -annual varieties of the.

HEAT, effect of, upon the fleece of sheep.