INDEX 



833 



upon the size of, 66 ; diminution of, 

 in man, 80 ; in man, reduced by cor- 

 relation, 724. 



-Jay, young o£ the, 621 ; Canada, young 

 of the, 621. 



Jaya, new mates found by, 526; dis- 

 tinguishing persons, 531. 



Jeffreys, J. G-wyn, on the form of the 

 shell in the sexes of the Grasteropoda, 

 347 ; on the influence of light upon 

 the colors of shells, 348. 



Jelly-fish, or Medusae, bright colors of 

 some, 345. 



Jenner, Dr., on the voice of the rook, 

 486; on the finding of new mates 

 by magpies, 626; on retardation of 

 the generative functions in birds, 

 529. 



Jenyns, L., on the desertion of their 

 young by swallows, 147 ; on male 

 birds singing after the proper sea- 

 son, 529. 



Jerdon, Dr., on birds dreaming, 106; 

 on the pugnacity of the male bulbul, 

 468 ; on the pugnacity of the male 

 Ortygornis gularis, 472; on the 

 spurs of Galloperdix, 473; on the 

 habits of Lobivanellus, 475; on 

 the spoonbill, 485; on the drum- 

 ming of the Kalij -pheasant, 487 ; 

 on Indian bustards, 489; on Otis 

 bengalensis, 493 ; on the ear-tufts 

 of Sypheotides auritus, 498; on the 

 double moults of certain birds, 505 ; 

 on the moulting of the honey-suck- 

 ers, 506 ; on the moulting of bus- 

 tards, plovers, and drongos, 507; 

 on the spring change of color in 

 some finches, 608 ; on display in 

 male birds, 509; on the display 

 of the under-tail coverts by the 

 male bulbul, 518; on the Indian 

 honey-buzzard, 547 ; on sexual dif- 

 ferences in the color of the eyes of 

 hornbills, 549; on the markings of 

 the Tragopan pheasant, 554; on the 

 nidiflcation of the Orioles, 584; on 

 the nidiflcation of the hornbills, 585 ; 

 on the Sultan yellow-tit, 590; on 

 Palseornis javanicus, 595 ; on the 

 immature plumage of birds, 600 et 

 seg.; on representative species of 

 birds, 604; on the iabits of Tur- 

 nix, 613; on the continued increase 

 of beauty of the peacock, 626; on 



coloration in the genus Palseornis, 

 637. 



Jevons, W. S., on the migrations of 

 man, 72. 



Jews, ancient use of flint tools by the, 

 195; uniformity of, in various parts 

 of the world, 256; numerical pro- 

 portion of male and female births 

 among the, 320 ; ancient, tattooing 

 practiced by, 739. 



Johnstone, Lieut., on the Indian ele- 

 phaijt, 288. 



Jollofs, fifie appearance of the, 755. 



Jones, Albert, proportion of sexes of 

 Lepidoptera, reared by, 334. 



Juan Fernandez, humming-birds of, 

 629. 



Junonia, sexual difEerences of coloring 

 in species of, 404. 



Jupiter, comparison with Assyrian 

 efSgies, 748. 



K 



Kaffir skull, occurrence of the diastema 

 in a, 63. 



Kaflirs, their cruelty to animals, 160; 

 lice of the, 227; color of the, 746; 

 engrossment of the handsomest 

 women by the chiefs of the, 766; 

 marriage- customs of the, 770. 



Kalij-pheasant, drumming of the male, 

 487; young of, 604. 



KaUima, resemblance of, to a withered 

 leaf, 407. 



Kalmucks, general beardlessness of, 

 721 ; aversion of, to hairs on the 

 face, 747 ; marriage-customs of the, 

 770. 



Kangaroo, great red, sexual difference 

 in the color of, 689. 



Kant, Immanuel, on duty, 134; on 

 self-restraint, 150 ; on the number 

 of species of man, 232. 



Katydid, stridulation of the, 372. 



Keen, Dr., on the mental powers of 

 snakes, 458. 



Keller, Dr., on the difficulty of fash- 

 ioning stone implements, 74. 



Kent, W. S., elongation of dorsal fln 

 of Callionymus lyra, 438; courtship 

 of Labrus mixtus, 443 ; colors and 

 courtship of Cantharus lineatus, 443. 



Kestrels, new mates found by, 527. 



