i. 151;

on differences in the Lemuroidea, i. 198; on the throat-pouch of the male Bustard, ii. 58; on the mane of _Otaria jubata_, ii. 267; on the suborbital pits of Ruminants, ii. 280; on the colours of the sexes in _Otaria nigrescens_, ii. 287.

MURRAY, A., on the _Pediculi_ of different races of men, i. 219.

MURRAY, T. A., on the fertility of Australian women with white men, i. 220.

_Mus coninga_, i. 50.

_Mus minutus_, sexual difference in the colour of, ii. 286.

_Musca vomitoria_, i. 145.

_Muscicapa grisola_, ii. 170.

_Muscicapa luctuosa_, ii. 170.

_Muscicapa ruticilla_, breeding in immature plumage, ii. 214.

MUSCLE, ischio-pubic, i. 127.

MUSCLES, rudimentary, occurrence of, in man, i. 19; variability of the, i. 109; effects of use and disuse upon, i. 116; animal-like abnormalities of, in man, i. 127; correlated variation of, in the arm and leg, i. 130; variability of, in the hands and feet, i. 136; of the jaws, influence of, on the physiognomy of the Apes, i. 144; habitual spasms of, causing modifications of the facial bones,