i. 255;

on the elytra of _Dytiscus_, i. 343; on peculiarities in the legs of male insects, i. 344; on the relative size of the sexes in insects, i. 345; on the luminosity of insects, i. 345; on the Fulgoridae, i. 351; on the habits of _Termites_, i. 364; on difference of colour in the sexes of beetles, i. 367; on the horns of the male lamellicorn beetles, i. 371; on hornlike processes in male curculionidae, i. 374; on the pugnacity of the male stag-beetle, i. 375.

KITE, killed by a game-cock, ii. 44.

KNOT, retention of winter plumage by the, ii. 82.

KNOX, R., on the semilunar fold, i. 23; on the occurrence of the supra-condyloid foramen in the humerus of man, i. 28; on the features of the young Memnon, i. 217.

KOALA, length of the caecum in, i. 27.

KOELREUTER, on the sterility of hybrid plants, i. 223.

_Kobus ellipsiprymnus_, proportion of the sexes in, i. 305.

KOODOO, development of the horns of the, i. 289; markings of the, ii. 300.

KOEPPEN, F. T., on the migratory locust, i. 352.

KORDOFAN, protuberances artificially produced in, ii. 339.

KOWALEVSKY, A., on the affinity of the Ascidia to the Vertebrata, i. 205.

KOWALEVSKY, W., on the pugnacity of the male Capercailzie, ii. 45; on the pairing of the Capercailzie, ii. 49.

KRAUSE, on a convoluted body at the extremity of the tail in a _Macacus_ and a cat, i. 30.

KUPPFER, Prof., on the affinity of the Ascidia to the Vertebrata, i. 205.

L.

_Labidocera Darwinii_, prehensile organs of the male, i. 329.

_Labrus_, splendid colours of the species of, ii. 16.

_Labrus mixtus_, sexual differences in, ii. 9.

_Labrus pavo_, ii. 16.

LACERTILIA, sexual differences of, ii. 32.

LAFRESNAYE, M. de, on Birds of Paradise, ii. 78.

LAMARCK, on the origin of man, i. 4.

LAMELLIBRANCHIATA, i. 324.

LAMELLICORN beetles, hornlike processes from the head and thorax of,