INDEX. 



651 



a preference for certain colors, 

 313; on the sexual maturity of 

 young amphipod Crustacea, 479. 



, Hermann, emergence of 



bees from pupa, 209; pollen- 

 gathering of bees, 223; propor- 

 tion of sexes in bees, 250; court- 

 ing of Eristalis, 278; color and 

 sexual selection with bees, 290. 



, J., on the nictitating mem- 

 brane and semilunar fold, 17. 



, Max on the origin of lan- 

 guage, 84; language implies 

 power of general conception, 86; 

 struggle for life among the 

 words, &c., of languages, 88. 



, S., on the banteng, 532; on 



the colors of Semnopitheous 

 chrysomelas, 533. 



Muntjac-deer, weapons of the. 

 509. 



Murie, J., on the reduction of 

 organs, 11; on the ears of the 

 Lemuroidea, 15; on variability of 

 the muscles in the Lemuroidea, 

 40, 46; basal caudal vertebrae 

 of Macacus brunneus Imbedded 

 in the body, 57; on the manner of 

 sitting in short- tailed apes, 57; 

 on differences in the Lemuroi- 

 dea, 150; on the throat-pouch of 

 the male bustard, 368; on the 

 mane of Otaria jubata, 516; on 

 the sub-orbital pits of Rumin- 

 ants, 525; on the colors of the 

 sexes in Otaria nigrescens, 530. 



Murray, A., on the Pediculi of 

 different races of men, 166. 



, T. A., on the fertility of 



Australian women with white 

 men, 166. 

 Mus coninga, 78. 



minutus, sexual difference 



in the color of, 529. 



Musca vomitoria, 52. 

 Muscicapa grisola, 449. 



luctuosa, 449. 



ruticilla, breeding in imma- 

 ture plumage, 479. 



Muscle, ischlo-publc, 40. 



Muscles, rudimentary, occurrence 

 of. In man, 11; variability of the, 

 26; effects of use and disuse 

 upon, 31; animal-like abnormali- 

 ties of, in man, 40; correlated 

 variation of, in the arm and leg, 

 42; variability of, in the hands 

 and feet, 46; of the 5aws, influ- 

 ence of, on the physiognomy of 

 the Apes, 62; habitual spasms 

 of, causing modifications of the 

 facial bones, 53; of the early 

 progenitors of man, 156; great- 

 er variability of the, in men 

 than in women, 219. 



Musculus sternalis. Prof. Turner 

 on the, 13. 



Music, 174; of birds, 363; discord- 

 ant, love of savages for, 375; 

 reason of power of perception 

 of notes in animals, 563; power 



of distinguishing notes, 564; its 

 connection with primeval 

 speech, 567; different apprecia- 

 tion of, by different peoples, 564; 

 origin of, 564, 567; effects of, 566. 



Musical, cadences, perception of, 

 by animals, 564; powers of man, 

 561 et seq. 



Musk-deer, canine teeth of male, 

 498, 509, 510; male, odoriferous 

 organs of the, 525; winter change 

 of the, 537. 



Musk-duck, Australian, 355; large 

 size of male, 358; of Guiana, 

 pugnacity of the male, 358. 



Musk-ox, horns of, 501. 



Musk-rat, protective resemblance 

 of the, to a clod of earth, 537. 



Musophagse, colors and nidiflca- 

 tion of the, 449; both sexes of, 

 equally brilliant, 453. 



Mussels opened by monkeys, 49. 



Mustela, winter change of two 

 species of, 537. 



Musters, Capt., on Rhea Darwinii, 

 473; marriages amongst Pata- 

 gonians, 592. 



Mutilations, healing of, 8; inheri- 

 tance of, 57. 



Mutillidse, absence of ocelli in fe- 

 male, 272. 



Mycetes caraya, polygamous, 213; 

 vocal organs of, 523; beard of, 

 527; sexual differences of color 

 in, 532; voice of, 662. 



seniculus, sexual differences 



of color In, 532. 



Myrlapoda, 270. 



N 



Nageli, on the influence of nat- 

 ural selection on plants, 58; on 

 the gradation of species of 

 plants, 171. 



Nails, colored yellow or purple in 

 part of Africa, 569. 



Narwhal, tusks of the, 498, 503. 



Nasal cavities, large size of, in 

 American aborigines, 33. 



Nascent organs, 11. 



Nathusius, H. von, on the im- 

 proved breeds of pigs, 173; male 

 domesticated animals more vari- 

 able than females, 218; horns 

 of castrated sheep, 502; on the 

 breeding of domestic animals, 

 590. 



Natural selection, its effects on 

 the early progenitors of man, 

 46; influence of on man, 58, 59; 

 limitation of the principle, 58; 

 influence of, on social animals, 

 60; Mr. Wallace on the limita- 

 tion of, by the Influence of the 

 mental faculties in man, 124; in- 

 fluence of, in the progress of the 

 United States, 138; in relation to 

 sex, 255. 



