Jevons, W.S., on the migrations of man.
Jews, ancient use of flint tools by the; uniformity of, in various parts of the world; numerical proportion of male and female births among the; ancient, tattooing practised by.
Johnstone, Lieut., on the Indian elephant.
Jollofs, fine appearance of the.
Jones, Albert, proportion of sexes of Lepidoptera, reared by.
Juan Fernandez, humming-birds of.
Junonia, sexual differences of colouring in species of.
Jupiter, comparison with Assyrian effigies.
Kaffir skull, occurrence of the diastema in a.
Kaffirs, their cruelty to animals; lice of the; colour of the; engrossment of the handsomest women by the chiefs of the; marriage-customs of the.
Kalij-pheasant, drumming of the male; young of.
Kallima, resemblance of, to a withered leaf.
Kulmucks, general beardlessness of; aversion of, to hairs on the face; marriage-customs of the.
Kangaroo, great red, sexual difference in the colour of.
Kant, Imm., on duty; on self-restraint; on the number of species of man.
Katy-did, stridulation of the.
Keen, Dr., on the mental powers of snakes.
Keller, Dr., on the difficulty of fashioning stone implements.
Kent, W.S., elongation of dorsal fin of Callionymus lyra; courtship of Labrus mixtus; colours and courtship of Cantharus lineatus.
Kestrels, new mates found by.
Kidney, one, doing double work in disease.
King, W.R., on the vocal organs of Tetrao cupido; on the drumming of grouse; on the reindeer; on the attraction of male deer by the voice of the female.
King and Fitzroy, on the marriage-customs of the Fuegians.
King-crows, nidification of.
Kingfisher, racket-shaped feathers in the tail of a.
Kingfishers, colours and nidification of the; immature plumage of the; young of the.
King Lory, immature plumage of the.
Kingsley, C., on the sounds produced by the Umbrina.
Kirby and Spence, on sexual differences in the length of the snout in Curculionidae; on the courtship of insects; on the elytra of Dytiscus; on peculiarities in the legs of male insects; on the relative size of the sexes in insects; on the Fulgoridae; on the habits of the Termites; on difference of colour in the sexes of beetles; on the horns of the male lamellicorn beetles; on hornlike processes in male Curculionidae; on the pugnacity of the male stag-beetle.
Kite, killed by a game-cock.
Knot, retention of winter plumage by the.
Knox, R., on the semilunar fold; on the occurrence of the supra-condyloid foramen in the humerus of man; on the features of the young Memmon.
Koala, length of the caecum in.
Kobus ellipsiprymnus, proportion of the sexes in.
Kolreuter, on the sterility of hybrid plants.
Koodoo, development of the horns of the; markings of the.
Koppen, F.T., on the migratory locust.
Koraks, marriage customs of.
Kordofan, protuberances artificially produced by natives of.
Korte, on the proportion of sexes in locusts; Russian locusts.
Kovalevsky, A., on the affinity of the Ascidia to the Vertebrata.
Kovalevsky, W., on the pugnacity of the male capercailzie; on the pairing of the capercailzie.
Krause, on a convoluted body at the extremity of the tail in a Macacus and a cat.
Kupffer, Prof., on the affinity of the Ascidia to the Vertebrata.
Labidocera Darwinii, prehensile organs of the male.
Labrus, splendid colours of the species of.
Labrus mixtus, sexual differences in.
Labrus pavo.
Lacertilia, sexual differences of.
Lafresnaye, M. de, on birds of paradise.
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.
Landois, H., gnats attracted by sound; on the production of sound by the Cicadae; on the stridulating organ of the crickets; on Decticus; on the stridulating organs of the Acridiidae; stridulating apparatus, in Orthoptera; on the stridulation of Necrophorus; on the stridulant organ of Cerambyx heros; on the stridulant organ of Geotrupes; on the stridulating organs in the Cleoptera; on the ticking of Anobium.