Mirror, behaviour of monkeys before.

Mirrors, larks attracted by.

Mitchell, Dr., interbreeding in the Hebrides.

Mitford, selection of children in Sparta.

Mivart, St. George, on the reduction of organs; on the ears of the lemuroidea; on variability of the muscles in lemuroidea; on the caudal vertebrae of monkeys; on the classification of the primates; on the orang and on man; on differences in the lemuroidea; on the crest of the male newt.

Mobius, Prof., on reasoning powers in a pike.

Mocking-thrush, partial migration of; young of the.

Modifications, unserviceable.

Moggridge, J.T., on habits of spiders; on habits of ants.

Moles, numerical proportion of the sexes in; battles of male.