654 



INDEX. 



opterygia, 35; on the canine teeth 

 in man, 39; on the walking ot 

 the chimpanzee and orang, 48; 

 on the mastoid processes in the 

 higher apes, 61; on the hairiness 

 of elephants in elevated dis- 

 tricts, 55; on the caudal verte- 

 bras of monkeys, 56; classifica- 

 tion of mammalia, 144; on the 

 hair in monkeys, 148; on the pis- 

 cine affinities of the Ichthyos- 

 aurians, 164; on polygamy and 

 monogamy among the antelopes, 

 213; on the horns of Antilocapra 

 americana, 229; on the musky 

 odor of crocodiles during the 

 breeding season, 347; on the 

 scent-glands of snakes, 348; on 

 the Dugong, Cachalot and Or- 

 nithorhynchus, 498; on the ant- 

 lers of the red deer, 606; on the 

 dentition of the Camelidse, 609; 

 on the horns of the Irish elk, 

 511; on the voice in the giraffe, 

 porcupine, and stag, 621; on the 

 laryngeal sac of the gorilla and 

 orang, 622; on the odoriferous 

 glands of mammals, 529; on the 

 effects of emasculation on the 

 vocal organs of men, 566; on the 

 voice of Hylobates agills, 561; on 

 American monogamous mon- 

 keys, 585. 



Owls, white, new mates found by, 

 403. 



Oxynotus, difference of the fe- 

 males of two species of, 464. 



Pachydermata, 213. 



Pachytylus migratorius, 280. 



Paget, on the abnormal develop- 

 ment of hairs in man, 18; on the 

 thickness of the skin on the 

 soles of the feet of infants, 32. 



Painting, pleasure of savages in, 

 174. 



PalEemon, chelas of a species of, 

 263. 



Palffiornis, sexual differences of 

 color in, 489. 



javanicus, color ot beak of, 



455. 



rosa, young of, 461. 



Palamedea cornuta, spurs on the 



wings, 360. 



Paleolithic period, 141. 



Palestine, habits of the chafBnch 

 in, 244. 



Pallas, on the perfection of the 

 senses in the Mongolians, 33; on 

 the want of connection between 

 climate and the color of the 

 skin, 187; on the polygamous 

 habits of Antilope Saiga, 213; on 

 the lighter color of horses and 

 cattle in winter in Siberia, 224; 

 on the tusks of the musk-deer, 



509; on the odoriferous glands of 

 mammals, 526; on the odorifer- 

 ous glands of the musk-deer, 

 525; on winter changes of color 

 in mammals, 537; on the ideal of 

 female beauty in North China, 

 572. 



Palmaris accessorius, muscle va- 

 riations of the, 26. 



Pampas, horses of the, 177. 



Pangenesis, hypothesis of, 223, 227. 



Panniculus carnosus, 13. 



Pansch, on the brain of a, foetal 

 Cebus apella, 201. 



Papilio, proportion of the sexes 

 in North American species ot, 

 246; sexual differences of color- 

 ing in species of, 306; coloration 

 of the wings in species of, 309. 



ascanius, 307. 



■ Sesostris and Childrenae, 



variability of, 316. 



Turnus, 246. 



Papilionidse, variability in the. 



316. 



Papuans, line of separation be- 

 tween the, and the Malays, 165; 

 beards of the, 655; hair of, 669. 



— ■ and Malays, contrast in 



characters of, 164. 



Paradise, Birds of, 400, 466; sup- 

 posed by Lesson to be polygam- 

 ous, 214; rattling of their quills 

 by, 370; racket-shaped feathers 

 in, 379; sexual differences in 

 color of, 380; decomposed feath- 

 ers in, 380, 397; display of plu- 

 mage by the male, 391. 



Paradisea apoda, barbless feath- 

 ers in the tail of, 380; plumage 

 of, 380; and P. papuana, 380; di- 

 vergence of the females of, 464; 

 increase of beauty with age, 

 480. 



Paraguay, Indians of, eradication 

 of eyebrows and eyelashes by, 

 676. 



Parakeet, Australian, variation in 

 the color of the thighs of a 

 male, 418. 



Parallelism of development of 

 species and languages, 87. 



Parasites on man and animals, 7, 

 8; as evidence of specific identity 

 or distinctness, 165; immunity 

 from, correlated with color, 188. 



Parental feeling in earwigs, star- 

 fishes, and spiders, 102; affection, 

 partly a result of natural selec- 

 tion, 102. 



Parents, age of, influence upon 

 sex of offspring, 239. 



Parinse, sexual difference of color 

 in, 451. 



Park, Mungo, negro-women 

 teaching their children to love 

 the truth, 114; his treatment by 

 the negro-women, 114; on negro 

 opinions of the appearance of 

 white men, 573. 



