INDEX 



Ul 



ual differences in color of, 600; de- 

 composed feathers in, 600, 620 ; dis- 

 play of plumage by the male, 511. 



Paradisea apoda, barbless feathers in 

 the tail of, 498; plumage of, 498; 

 and P. papuana, 498; divergence of 

 the females of, 606; increase of 

 beauty with age, 626. 



Paraguay, ludiaus of, eradication of 

 eyebrows and eyelashes by, 747. 



Parallelism of development of species 

 and languages, 126. 



Parasites on man and animals, 24; aa 

 evidence of specific identity or dis- 

 tinctness, 227; immunity from, cor- 

 related with color, 256. 



Parental feeling in earwigs, starfishes, 

 and spiders, 145 ; affection, partly a 

 result of natural selection, 145. 



Parents, age of, influence upon sex of 

 offspring, 321-322. 



Parinse, sexual difierence of color in, 

 590. 



Park, Mungo, negro women teaching 

 their children to love the truth, 160; 

 his treatment by the negro women, 

 160, 725; on negro opinions of the 

 appearance of white men, 745. 



Parker, Mr., no bird or reptile in line 

 of mammalian descent, 211. 



Paroquet, Australian, variation in the 

 color of the thighs of a male, 547. 



Parrot, racket-shaped feathers in the 

 tail of a, 497 ; instance of benevo- 

 lence in a, 531. 



Parrots, change of color in, 88 ; imita- 

 tive faculties of, 104; living in trip- 

 lets, 528; afEeetion of, 530; colors 

 and nidificatiou of the, 587, 590, 

 591 ; immature plumage of the, 602 ; 

 colors of, 632; sexual differences of 

 color in, 637; musical powers of, 

 735. 



Parthenogenesis in the Tenthredinse, 

 335 ; in Oynipidse, 335 ; in Crustacea, 

 337. 



Partridge, monogamous, 290; propor- 

 tion of the sexesin the, 326; female, 

 608. 



" dances," 492, 523. 



Partridges, living in triplets, 528; 

 spring coveys of male, 529; dis- 

 tinguishing persons, 531. 



Parus coeruleus, 590. 



Passer, sexes and young of, 623. 



Passer brachydactylua, 623. 



domesticus, 586, 623. 



montauus, 586, 623. 



Patagoniaus, self-sacrifice by, 161; 

 marriages of, 769. 



Patterson, Mr., on the Agrionldee, 381. 



Patteaon, Bishop, decrease of Melane- 

 sians, 247. 



Paulistas of Brazil, 231. 



Pavo cristatus, 310, 556. 



muticus, 310, 556; possession of 



spurs by the female, 473, 580. 



nigrlpennis, 541. 



Payaguas Indians, thin legs and thick 

 arms of the, 54. 



Payan, Mr., on the proportion of the 

 sexes in sheep, 324. 



Peacock, polygamous, 290; sexual 

 characters of, 310; pugnacity of the, 

 473; rattling of the quills by, 486; 

 elongated tail-coverts of the, 497, 

 -519; love of display of the, 509, 

 544; ocellated spots of the, 566; 

 inconvenience of long tail of the, to 

 the female, 572, 581-582; continued 

 increase of beauty of -the, 626. 



butterfly, 407. 



Peafowl, preference of females for a 

 particular male, 540; first advances 

 made by the female, 540. 



Pediculi of domestic animals and man, 

 227. 



Pedigree of man, 221. 



Pedionomus torquatus, sexes of, 614. 



Peel, J., on horned sheep, 652. 



Peewit, wing-tubercles of the male, 

 475. 



Pelagic animals, transparency of, 346- 

 347. 



Peleoauus erythrorhynchus, horny 

 crest on the beak of the male, dur- 

 ing the breeding season, 603. 



onocrotalus, spring plumage of, 



508. 



Pelel6, an African ornament worn ia 

 the upper lip, 743. 



Pelican, blind, fed by his companions, 

 141; young, guided by old birds, 

 141'; pugnacity of the male, 469. 



Pelicans, fishing in concert, 139. 



Pelobius Hermarmi, stridulatlon of, 396, 

 398. 



Pelvis, alteration of, to suit the erect 

 attitude of man, 65; differences of 

 the, in the sexes of man, 717. 



