IXDEX. 



41? 



Mexicans, civilization of the, not foreign, 

 i. 175. 



Meyer, on a convoluted body at the ex- 

 tremity of the tail in a Macacus and a 

 cat. i. 29. 



Meyer. Dr. A., on the copulation of phry- 

 ganidse of distinct species, i. 382. 



Migrations of man, effects of, i. 130. 



Migratory instinct of birds, i. 76; van- 

 quishing the maternal, i. 80, 87. 



Mill ; J. S., on the origin of the moral 

 sense, i. 68 ; on the " greatest happiness 

 principle, 11 i. 93 ; on the diiference of the 

 mental powers in the sexes of man, ii. 

 312. 



Millipedes, i. 330. 



Milne-Edwards, IT., on the use of the en- 

 larged chela of the male Gelasimus, i. 

 322. 



Milrago leucitrus, sexes and young of, ii. 

 197. 



Mimicry, i. 397. 



Mimus polyglottus, ii. 105. 



Mind, difference of, in man and the highest 

 animals, i. 100 ; similarity of the, in dif- 

 ferent races, i. 223. 



Minnow, proportion of the sexes in the, i. 

 299, 300. 



Minnows, spawning habits of, ii. 15. 



Mirror, larks attracted by, ii. 107. 



Mivart, St. George, on the reduction of 

 organs, i. IS ; on the ears of the Lemuroi- 

 dea, i. 23 ; on variability of the muscles 

 in Lemuroidea, i. 123, 131 ; on the caudal 

 vertebras of monkeys, i. 144; on the 

 classification of the primates, i. 150 ; on 

 the orang and on man, i. 189 ; on differ- 

 ences in the lemuroidea, i. 190; on the 

 crest of the male newt, ii. 23. 



Mocking-turush. partial migration of, ii. 

 105; young of the, ii. 209. 



Modifications, unserviceable, i. 147. 



Moles, numerical proportion of the sexes 

 in. i. 296 ; battles of male, ii. 228. 



JHoIlienesia petenensis, sexual difference 

 in, ii. 9. 



Mollusca, beautiful colors and shapes of, 

 i. 316 ; absence of secondary sexual char- 

 acters in the, i. 315. 



Molluscoida, i. 197, 315. 



Monacanthus seopas, and M. Peronii, 

 sexual differences in, ii. 12. 



Mongolians, perfection of the senses in, 

 i. 114. 



Monkey, protecting his keeper from a ba- 

 boon, i. 75, 84; bonnet-, i. 184; rhesus, 

 sexual difference in color of the, ii. 278, 

 296 ; mustache-, colors of the, ii. 277. 



Monkeys, liability of, to the same diseases 

 as man. i. 11 ; male, recognition of women 

 by, i. 13; revenge taken by, i. 39, ma- 

 ternal affection in, i. 39 ; variability of the 

 faculty of attention in, i. 43; using stones 

 and sticks, i. 49 ; imitative faculties of, i. 

 54; signal-cries of, i. 56; sentinels posted 

 by. i. 71 ; diversity of the mental facul- 

 ties in, i. 106; mutual kindnesses of, i. 

 72 ; hands of the, i. 134 ; breaking hard 



fruits with stones, i. 134; basal caudal 

 vertebra? of, embedded in the body, i. 145 ; 

 human characters of, i. 184; gradation 



• of species of, i. 218; beards of, ii. 269; 

 ornamental characters of. ii. 291 ; analogy 

 of sexual differences of, with those of 

 man, ii. 303 ; different degrees of differ- 

 ence in the sexes of, ii. 307 ; expression 

 of emotions by, ii. 320 ; generally mo- 

 nogamous habits of, ii. 345 ; polygamous 

 habits of some, ii. 345; naked surfaces of, 

 ii. 360; American, manifestation of reason 

 in, i. 47 ; American, direction of the hair 

 on the arms of some, i. 185. 



Monogamy, not primitive, i. 175. 



Monogenists, i. 220. 



Mononychus pseudacori, stridulation of, 

 i. 371. 



Monotremata, i. 194; development of the 

 nictitating membrane in, i. 23 ; lactifer- 

 ous glands of, i. 200; connecting mam- 

 mals with reptiles, i. 204. 



Monstrosities, analogous, in man and 

 lower animals, i. 109; caused by arrest of 

 development, i. 116; correlation of, i. 125; 

 transmission of, i. 216. 



Montagu, G., on the habits of the black 

 and red grouse, i. 260 ; on the pugnacity 

 of the ruff, ii. 39 ; en the singing of birds, 

 ii. 49 ; on the double moult of the male 

 pintail, ii. 81. 



Monteiro, Mr., on Bucorax Abyssinicux, 

 ii. 69. 



Montes de Oca, M., on the pugnacity of 

 male Humming-birds, ii. 38. 



Monticola eyanea, ii. 164. 



Monuments, as traces of extinct tribes, i. 

 228. 



Moose, battles of, ii. 229 ; horns of the, an 

 incumbrance, ii. 248. 



Moral and instinctive impulses, alliance 

 of, i. 85. 



Moral faculties, their influence on natural 

 selection in man, i. 152. 



Moral rules, distinction between the high- 

 er and lower, i. 96. 



Moral sense, origin of the, i. 9S ; so called, 

 derived from the social instincts, i. 93, 94. 



Moral tendencies, inheritance of, i. 98. 



Morality, supposed to be founded in self- 

 ishness, i. 93 ; test of, the general wel- 

 fare of the community, i. 94 ; gradual rise 

 of, i. 99 ; influence of a high standard of, 

 i. 159. 



Morgan, L. H., on the Beaver, i. 36; on 

 the reasoning powers of the Beaver, i. 45 ; 

 on the forcible capture of wives, i. 175; 

 on the castoreum of the Beaver, ii. 266; 

 marriage unknown in primeval times, ii. 

 343 ; on Polyandry, ii. 349. 



Morris, F. O.. on hawks feeding an orphan 

 nestling, ii. 103. 



Mortality, comparative, of females and 

 males, i. 256, 267, 292. 



Morton, on the number of species of man, 

 i. 218. 



JWosckuz moschiferus, odoriferous organs 

 of, ii. 267. 



