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Lamarck, on the origin of man. Lamellibranchiata. Lamellicorn beetles, horn-like processes from the head and thorax of; influence of sexual selection on. Lamellicornia, stridulation of. Lamont, Mr., on the tusks of the walrus; on the use of its tusks by the walrus; on the bladder-nose seal. Lampornis porphyrurus, colours of the female. Lampyridae, distasteful to mammals. Lancelet.

Deer, Virginian, colour of the, not affected by castration; colours of. Deerhound, Scotch, greater size of the male. Defensive orders of mammals. De Geer, C., on a female spider destroying a male. Dekay, Dr., on the bladder-nose seal. Delorenzi, G., division of malar bone. Demerara, yellow fever in. Dendrocygna. Dendrophila frontalis, young of.

Blackwall, J., on the speaking of the magpie; on the desertion of their young by swallows; on the superior activity of male spiders; on the proportion of the sexes in spiders; on sexual variation of colour in spiders; on male spiders. Bladder-nose Seal, hood of the. Blaine, on the affections of dogs. Blair, Dr., on the relative liability of Europeans to yellow fever.

Seal, bladder-nose. Seals, their sentinels generally females; evidence furnished by, on classification; polygamous habits of; battles of male; canine teeth of male; sexual differences; pairing of; sexual peculiarities of; in the coloration of; appreciation of music by. Sea-scorpion, sexual differences in.

Suddenly a loud cry from the latter broke the silent butchery. "Look! Stop that old hood! That makes ten. My goodness! I never see such seal! That's right, Peter, head him off. Hit him again, Waring! Take that, you old bladder-nose!" The seal, a monstrous one, a veteran male, had attempted to scale the higher mounds, but surrounded by his more agile enemies, halted and showed fight.

Brown, R., sentinels of seals generally females; on the battles of seals; on the narwhal; on the occasional absence of the tusks in the female walrus; on the bladder-nose seal; on the colours of the sexes in Phoca Groenlandica; on the appreciation of music by seals; on plants used as love-philters, by North American women. Browne, Dr. Crichton, injury to infants during parturition.

Pelican, blind, fed by his companions; young, guided by old birds; pugnacity of the male. Pelicans, fishing in concert. Pelobius Hermanni, stridulation of. Pelvis, alteration of, to suit the erect attitude of man; differences of the, in the sexes of man. Penelope nigra, sound produced by the male. Pennant, on the battles of seals; on the bladder-nose seal. Penthe, antennal cushions of the male.