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.