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.