YAM, development of axillary bulbs in the.
YARRELL, Mr., deficiency of teeth in hairless dogs. -on ducks. -characters of domestic goose, resembling those of Anser albifrons. -whiteness of ganders. -variations in gold-fish. -assumption of male plumage by the hen-pheasant. -effect of castration upon the cock. -breeding of the skylark in captivity. -plumage of the male linnet in confinement. -on the dingo.
YELLOW fever, in Mexico.
YEW, fastigiate.
YEW, Irish, hardy in New York.
YEW, weeping. -propagation of, by seed.
YOLK, variations of, in the eggs of ducks.
YOUATT, Mr., history of the dog. -variations of the pulse in breeds of dogs. -liability to disease in dogs. -inheritance of goitre in dogs. -on the greyhound. -on King Charles' spaniels. -on the setter. -on breeds of horses. -variation in the number of ribs in the horse. -inheritance of diseases in the horse. -introduction of Eastern blood into English horses. -on white Welsh cattle. -improvement of British breeds of cattle. -rudiments of horns in young hornless cattle. -on crossed cattle. -on Bakewell's long-horned cattle. -selection of qualities in cattle. -degeneration of cattle by neglect. -on the skull in hornless cattle. -disease of white parts of cattle. -displacement of long-horned by short-horned cattle. -on Angola sheep. -on the fleece of sheep. -correlation of horns and fleece in sheep. -adaptation of breeds of sheep to climate and pasture. -horns of Wallachian sheep. -exotic sheep in the Zoological Gardens. -occurrence of horns in hornless breeds of sheep. -on the colour of sheep. -on interbreeding sheep. -on Merino rams in Germany. -effect of unconscious selection on sheep. -reversion of Leicester sheep on the Lammermuir Hills. -on many-horned sheep. -reduction of bone in sheep. -persistency of character in breeds of animals in mountainous countries. -on interbreeding. -on the power of selection. -slowness of production of breeds. -passages in the Bible relating to the breeding of animals.
YOUNG, J., on the Belgian rabbit.
YULE, Capt., on a Burmese hairy family.