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662

* Moths, 313; absence of mouth in some males, 208; apterous female, 208; male, prehensile use of the tarsi by, 209; male, attracted by females, 252; coloration of, 315; sexual differences of colour in, 316.
 * Motmot, inheritance of mutilation of tail feathers, 60, 603; racket-shaped feathers in the tail of a, 384.
 * Moult, double, 463; double annual, in birds, 390.
 * Moulting of birds, 484.
 * Moults, partial, 392,
 * Mouse, song of, 568.
 * Moustache-monkey, colours of the, 537, 552.
 * Moustaches, in monkeys, 150.
 * Mud-turtle, long claws of the male, 350.
 * Mulattoes, persistent fertility of, 171; immunity of, from yellow fever, 193.
 * Mule, sterility and strong vitality of the, 171.
 * Mules, rational, 78.
 * Müller, Ferd., on the Mexicans and Peruvians, 145.
 * ,Fritz, on astomatous males of Tanais, 208; on the disappearance of spots and stripes in adult mammals, 547; on the proportions of the sexes in some Crustacea, 255; on secondary sexual characters in various Crustaceans, 265 et seq.; musical 'contest between male Cicadœ, 282; mode of holding wings in Castnia, 315; on birds shewing a preference for certain colours, 317; on the sexual maturity of young amphipod Crustacea, 485.
 * ,Hermann, emergence of bees from pupa, 214; pollen-gathering of bees, 228; proportion of sexes in bees, 254; courting of Eristalis, 280; colour and sexual selection with bees, 292.
 * , J., on the nictitating membrane and semilunar fold, 17.
 * , Max, on the origin of language, 87; language implies power of general conception, 88; struggle for life among the words, &c., of languages, 91.
 * , S., on the banteng, 536; on the colours of Semnopithecus chrysomelas, 537.
 * Muntjac-deer, weapons of the, 514.
 * Murie, J., on the reduction of organs, 12; on the ears of the Lemuroidea, 15; on variability of the muscles in the Lemuroidea, 41, 48; basal caudal vertebræ of Macacus brunneus imbedded in the body, 59; on the manner of sitting in short-tailed apes, 59; on differences in the Lemuroidea, 155; on the throat-pouch of the male bustard, 373; on the mane of Otaria jubata, 521; on the sub-orbital pits of Ruminants, 529; on the colours of the sexes in Otaria nigrescens, 535.
 * Murray, A., on the Pediculi of different races of men, 169.
 * T. A., on the fertility of Australian women with white men, 170.
 * Mus coninga, 80.
 * minutus, sexual difference in the colour of, 534.
 * Musca vomitoria, 54.
 * Muscicapa grisola, 455.
 * luctuosa, 455.
 * ruticilla, breeding in immature plumage, 484.
 * Muscle, ischio-public, 41.
 * Muscles, rudimentary, occurrence of, in man, 12; variability of the, 26; effects of use and disuse upon, 32; animal-like abnormalities of, in man, 41; correlated variation of, in the arm and leg, 44; variability of, in the hands and feet, 48; of the jaws, influence of, on the physiognomy of the Apes, 54; habitual spasms of, causing modifications of the facial bones, 55; of the early progenitors of man, 160; greater variability of the, in men than in women, 223.
 * Musculus sternalis, Prof. Turner on the, 13.
 * Music, 178; of birds, 368; discordant, love of savages for, 380; reason of power of perception of notes in animals, 568; power of distinguishing notes, 569; its connection with primeval speech, 570; different appreciation of, by different peoples, 570; origin of, 569, 573; effects of, 571.