INDEX. 



NEW ZEALAND. 



663 



Knsical cadences, perception of, by 



animals, 569 ; powers of man, 566 



et seq. 

 Musk-deer, canine teeth of male, 502, 



513, 514 ; male, odiferous organs 



of the, 529 ; winter change of the, 



5+2. 

 Musk-duck, Australian, 359 ; large 



size of male, 362 ; of Guiana, pug- 

 nacity of the male, 362. 

 Husk-ox, horns of, 505. 

 Musk-rat, protective resemblance of 



the, to a clod of earth, 542. 

 AfusophagWf colours and nidification 



of the, 455 ; both sexes of, equally 



brilliant, 460. 

 Mussels opened by monkeys, 50. 

 Ifustela, winter change ot two species 



of, 542. 

 Musters, Capt., on Bhea Darwinii, 



479 ; marriages amongst Patago- 



nians, 598. 

 Vlutilations, healing of, 8; inheri- 

 tance of, 60. 

 Mutilla europoea, stridulatioD of, 292. 

 Mutillidae, absence of ocelli in female, 



275. 

 ifycetes caraya, polygamous, 217 ; 



vocal organs of, 527 ; beard of, 531 ; 



sexual differences of colour in, 



537 ; voice of, 567. 

 seniculus, sexual differences of 



colour in, 537. 

 Myriapoda, 274. 



N. 



Nageli, on the influence of natural 

 selection on plants, 61 ; on the 

 gradation of species of plants, 175. 



Nails, coloured yellow or purple in 

 part of Africa, 574. 



Narwhal, tusks of the, 502, 507. 



Nasal cavities, large size of, in Ame- 

 rican aborigines, 34, 



Nascent organs, 12. 



Nathusius, H. von, on the improved 

 breeds of pigs, 177 ; male domes- 

 ticated animals more variable than 

 females, 223; horns of castrated 

 sheep, 506 ; on the breeding of 

 domestic animals, 596. 



Katnral selection, its effects on the 

 early progenitors of man, 47 ; in- 

 fluence of on man, 60, 62 ; limita- 



tion of the principle, 61 ; influence 

 of, on social animals, 62 ; Mr. Wal- 

 lace on the limitation of, by the 

 influence of the mental faculties in 

 man, 127 ; influence of, in the pro- 



, gress of the United States, 142 ; in 

 relation to sex, 259. 



Natural and sexual selection con- 

 trasted, 226. 



Kaulette, jaw from, large size of the 

 canines in, 40. 



Neanderthal skull, capacity of the, 

 65. 



Neck, proportion of, in soldiers and 

 sailors, 32. 



Necrop/iorus, stridulation of, 302, 

 304. 



Nectarinia, young of, 468. 



Nectarinits, moulting of the, 392 ; 

 nidification of, 454. 



Negro, resemblance of a, to Europeans, 

 in mental characters, 178. 



Negro- women, their kindness to M ungo 

 Park, 118. 



Negroes, Caucasian features in, 167 ; 

 character of, 168 ; lice of, 170 ; fer- 

 tility of, when crossed with other 

 races, 171; blackness of, 170, 173; 

 variability of, 174,175; immunity 

 of, from yellow fever,193; difference 

 of, from Americans, 197 ; disfigure- 

 ments of the, 541 ; colour of new- 

 born children of, 557 ; comparative 

 beardlessness of, 560 ; readily be- 

 come musicians, 570 ; appreciation 

 of beauty of their women by, 577, 

 579 ; idea of beauty among, 582 ; 

 compression of the nose by some, 

 583. 



Nemertians, colours of, 264. 



Neolithic period, 145. 



Neomorpha, sexual difference of the 

 beak in, 359. 



Nephila, size of male, 273. 



Nestii, made by fishes, 345; decora- 

 tion of, by Humming-birds, 413. 



Neumeister, on a change of colour in 

 pigeons after several moultings, 

 238. 



Neuration, difl^erence of. in the two 

 sexes of some butterflies and hy< 

 menoptera, 277. 



Neuroptera, 254, 290. 



Aeurot'iemis, dimorphism in, 291. 



New Zealand, expectation by the 



