Chapter 2: XXVIII (5)

WALSH, B.D., on attacks of insects. -on galls. -his "Law of equable variability."

WALTHER, F.L., on the history of the dog. -on the intercrossing of the zebu and ordinary cattle.

WARING, Mr., on individual sterility.

WATERER, Mr., spontaneous production of Cytisus alpino-laburnum.

WATERHOUSE, G.R., on the winter-colouring of Lepus variabilis.

WATERTON, C., production of tailless foals. -on taming wild ducks. -on the wildness of half-bred wild ducks. -assumption of male characters by a hen.

WATSON, H.C., on British wild fruit-trees. -on the non-variation of weeds. -origin of the plum. -variation in Pyrus malus. -on Viola amoena and tricolor. -on reversion in Scotch kail. -fertility of Draba sylvestris when cultivated. -on generally distributed British plants.

WATTLES, rudimentary, in some fowls.

WATTS, Miss, on Sultan fowls.

WEBB, JONAS, interbreeding of sheep.

WEBER, effect of the shape of the mother's pelvis on her child's head.

WEDDERBURN, Mr., correlation of teeth and hair.

WEEDS, supposed necessity for their modification, coincidently with cultivated plants.

WEEPING varieties of trees.

WEEPING habit of trees, capricious inheritance of.

WEEVIL, injury done to stone-fruit by, in North America.

WEIJENBERGH, on parthenogenesis.

WEIR, H., large litter of pigs.

WEIR, JENNER, on the japanned peacock. -mare and quagga. -wildness of mule siskins.

WEISMANN, Prof., reversion from unnatural conditions. -isolation. -dimorphic butterflies. -causes of variability.

WELSH cattle, descended from Bos longifrons.

WEST Indies, feral pigs of. -effect of climate of, upon sheep.

WESTERN, Lord, change effected by, in pigs. -in the sheep.

WESTPHALIA, striped young pigs in.

WESTWOOD, J.O., on peloric flowers of Calceolaria.

WETHERELL, Mr., on inheritance of mutilations.

WHATELY, Archbishop, on grafting early and late thorns.

WHEAT, specific unity or diversity of. -Hasora. -presence or absence of barbs in. -Godron on variations in. -varieties of. -effects of soil and climate on. -deterioration of. -crossing of varieties of. -in the Swiss lake-dwellings. -selection applied to. -increased fertility of hybrids of, with Aegilops. -advantage of change of soil to. -differences of, in various parts of India. -continuous variation in. -red, hardiness of. -Fenton. -natural selection in. -varieties of, found wild. -effects of change of climate on. -ancient variety of.

WHITBY, Mrs., on the markings of silkworms. -on the silk-moth.

WHITE, Mr., reproduction of supernumerary digits after amputation. -time occupied in the blending of crossed races.

WHITE, GILBERT, vegetable diet of dogs.

WHITE and white-spotted animals, liability of, to disease.

WHITE flowers, most truly reproduced by seed.

WICHURA, MAX, on hybrid willows. -analogy between the pollen of old-cultivated plants and of hybrids.

WICKING, Mr., inheritance of the primary characters of Columba livia in cross-bred pigeons. -production of a white head in almond tumblers.

WICKSTED, Mr., on cases of individual sterility.

WIEGMANN, spontaneous crossing of blue and white peas. -crossing of varieties of cabbage. -on contabescence.

WIGHT, Dr., sexual sterility of plants propagated by buds, etc.

WILCKENS, Dr., effect of previous impregnation. -alpine breeds. -drooping ears. -correlation of hair and horns.

WILDE, Sir W.R., occurrence of Bos frontosus and longifrons in Irish crannoges. -attention paid to breeds of animals by the ancient Irish.

WILDER, Dr. B., on the brain of dogs. -supernumerary digits.

WILDMAN, on the dahlia.

WILDNESS of the progeny of crossed tame animals.

WILKES, Capt., on the taming of pigeons among the Polynesians.

WILKINSON, J., on crossed cattle.

WILLIAMS, Mr., change of plumage in a Hamburgh hen.

WILLIAMS, Mr., intercrossing of strawberries.

WILLIAMSON, Capt., degeneration of dogs in India. -on small Indian asses.

WILLIAMSON, Rev. W., doubling of Anemone coronaria by selection.

WILLOWS, weeping. -reversion of spiral-leaved weeping. -hybrids of. -galls of.

WILLUGHBY, F., notice of spot pigeons. -on a fantail pigeon. -on tumbler pigeons. -on the turbit. -on the barb and carrier pigeons. -on the hook-billed duck.

WILMOT, Mr., on a crested white Turkey-cock. -reversion of sheep in colour.

WILSON, B.O., fertility of hybrids of humped and ordinary cattle in Tasmania.

WILSON, Dr., prepotency of the Manx over the common cat.

WILSON, JAMES, origin of dogs.

WILSON, Mr., on prepotency of transmission in sheep. -on the breeding of bulls.

WINGS, proportionate length of, in different breeds of pigeons. -of fowls, effects of disuse on. -characters and variations of, in ducks. -diminution of, in birds of small islands.

WING-FEATHERS, number of, in pigeons. -variability of, in fowls.

WOLF, recent existence of, in Ireland. -barking of young. -hybrids of, with the dog.

WOLF-DOG, black, of Florida.

WOLVES, North American, their resemblance to dogs of the same region. -burrowing of.

WOODBURY, Mr., crossing of the Ligurian and common hive bees. -variability of bees.

WOODWARD, S.P., on Arctic Mollusca.

WOOD, WILLOUGHBY, reversion from a cross. -on Mr. Bates' cattle.

WOOLER, W.A., on the young of the Himalayan rabbit. -persistency of the coloured calyx in a crossed polyanthus.

WOUNDS, healing of.

WRIGHT, J., production of crippled calves by short-horned cattle. -on selection in cattle. -effect of close interbreeding on pigs. -deterioration of game-cocks by close interbreeding.

WRIGHT, STRETHILL, on the development of the hydroida.

WYMAN, Dr., on Niata cattle, and on a similar malformation in the codfish. -on Virginian pigs. -browsing under water.

XENOPHON, on the colours of hunting dogs.

XIMENES, Cardinal, regulations for the selection of rams.

"YAHU," the name of the pigeon in Persia.

YAKS, domestication of. -selection of white-tailed.

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.

ZAMBESI, striped young pigs on the.

ZAMBOS, character of the.

ZARCO, J.G., introduction of rabbits into Porto Santo by.

Zea altissima. -mays.

ZEBU. -domestication of the. -fertile crossing of, with European cattle.

ZEBRA, hybrids of, with the ass and mare.

Zephyranthes candida.

Zinnia, cultivation of.

ZOLLINGER on Malayan penguin ducks.

ZOOSPORE, division of, in Algae.

"ZOPF-TAUBE."

END OF VOLUME II.