118 



INDEX. 



Motacilla, Indian, young of, ii. 182. 



Moths, i. 382 ; absence of mouth in some 

 male, i. 246 ; apterous female, i. 247 ; male, 

 prehensile use of the tarsi by, i. 248 ; male; 

 attracted by females, i. 302; coloration 

 of, i. 385 * sexual differences of color in, 

 i. 385. 



Motmot, racket-shaped feathers in the tail 

 of a, ii. 70. 



Moult, double, ii. 173 ; double annual, in 

 birds, ii. 77. 



Moulting of birds, ii. 204. 



Moults, partial, ii. 79. 



Mud-turtle, long claws of the male, ii. 26. 



Mulattoes, persistent fertility of, i. 213 ; 

 immunity of, from yellow fever, i. 234. 



Mule, sterility and strong vitality of the, i. 

 213. 



Mules, rational, i. 47. 



Muller, Ferd., on the Mexicans and Peru- 

 vians, i. 176. 



Muller, Fritz, on astomatous males of 

 Tanais, i. 247 ; on the disappearance of 

 spots and stripes in adult mammals, ii. 

 290 ; on the proportions of the sexes in 

 6ome Crustacea, i. 307; on secondary 

 sexual characters in various Crustaceans, 

 i. 319, et seqq. ; on the luminous larva of 

 a beetle, i. 335 ; musical contest between 

 male Cicada, i. 341 ; on the sexual ma- 

 turity of young amphipod Crustacea, ii. 

 206. 



Mullek, J., on the nictitating membrane 

 and semilunar fold, i. 23. 



Muller, Max, on the origin of language, 

 i. 55 ; struggle for life among the words, 

 etc., of languages, i. 58. 



Muller, S., on the Banteng, ii. 276 ; on the 

 colors of Semnopithecns chrysomelas, ii. 

 277. 



Muntjac-deer, weapons of the, ii. 245. 



Murie, J., on the reduction of organs, i. 18; 

 on the ears of the Lemuroidea, i. 23 ; on 

 variability of the muscles of the Lemuroi- 

 dea, i. 123, 131 ; basal caudal vertebrae of 

 Macacus inomatus embedded in the 

 body, i. 145 ; on differences in the Lemu- 

 roidea, i. 190 ; on the throat-pouch of the 

 male Bustard, ii. 55; on the mane of 

 Otaria jtibata, ii. 255; on the sub-orbital 

 pits of Kuminants, ii. 267 ; on the colors 

 of the sexes in Otaria nigrescens, ii. 

 274. 



Hurray, A., on the Pediculi of different 

 races of men, i. 211. 



Murray, T. A., on the fertility of Austra- 

 lian women with white men, i. 212. 



3Ivs eoninga, i. 49. 



Mvs mimitits, sexual difference in the col- 

 or of, ii. 273. 



Miisca romitoria, i. 139. 



Muscicapa grisola, ii. 162. 



Mmcicapa litetuosa, ii. 162. 



Muscicapa ruticilla, breeding in imma- 

 ture plumage, ii. 205. 



Muscle, iscbio-pubic, i. 123. 



Muscles, rudimentary, occurrence of, in 

 man, i. 19; variability of the, i. 105; ef- 



fects of use and disuse upon, i. 112 ; ant 

 mal-like abnormalities of; in man, i. 122 : 

 correlated variation of, in the arm and 

 leg, i. 125; variability of, in the hands and 

 feet, i. 131 ; of the jaws, influence of, on 

 the physiognomy of the Apes, i. 139 ; ha- 

 bitual spasms of, causing modifications 

 of the facial bones, i. 141 ; of the early 

 progenitors of man, i. 198; greater varia- 

 bility of the, in men than in women, i. 

 266. 



Musculus sternalis, Prof. Turner on the, 

 i. 19. 



Music, i. 224; of birds, ii. 48; discordant, 

 love of savages for, ii. 64 ; different appre- 

 ciation of, by different peoples, ii. 318; 

 origin of, ii. 317, 321 ; effects of, ii. 320. 



Musical cadences, perception of, by ani- 

 mals, ii. 317 ; powers of man, ii. 314, et 

 seqq. 



Musk-deer, canine teeth of male, ii. 231, 

 245, 246; male, odoriferous organs of the, 

 ii. 267 ; winter change of the, ii. 285. 



Musk-duck, Australian, ii. 36; large size 

 of male, ii. 41 ; of Guiana, pugnacity of 

 the male, ii. 41. 



Musk-ox, horns of, ii. 236. 



Musk-rat. protective resemblance of the, 

 to a clod of earth, ii. 284. 



Musophagm, colors and nidification of the, 

 ii. 163 ; both sexes of, equally brilliant, ii. 

 169. 



Mussels opened by monkeys, i. 134. 



Mustache-monkey, colors of the, ii. 277, 

 296. 



Mustaches, in monkeys, i. 184. 



Miistela, winter change of two species of. 

 ii. 284. 



Mutilations, healing of, i. 13. 



3futilla Europaa, stridulation of, i. 355. 



Mutillidjs, absence of ocelli in female, i. 

 331. 



Mycetes caraya, polygamous, i. 258; vo- 

 cal organs of, ii. 264; beard of, ii. 269; 

 sexual differences of color in, ii. 276 ; 

 voice of, ii. 316. 



Mycetes senicidus, sexual differences of 

 color in, ii. 276. 



Myriapoda, i. 330. 



N. 



Nageli, on the influence of natural selec- 

 tion on plants, i. 146 ; on the gradation 

 of species of plants, i. 219. 



Nails, colored yellow or purple in part of 

 Africa, ii. 322. 



Naples, greater proportion of female ille- 

 gitimate children in, i. 292. 



Narwhal, tusks of the, ii. 231, 237. 



Nasal cavities, large size of, in American 

 aborigines, i. 114. 



Nascent organs, i. 18. 



Nathusiur, H. von, on the improved breeds 

 of pigs, i 222 ; on the breeding of domes- 

 tic anima/s, ii. 353; 



Natural selection, its effects on the earl; 



