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688
woolner.
INDEX.
zygænidæ.
- Woolner, Mr., observations on the ear in man, 15.
- Wormald, Mr., on the coloration of Hypopyra, 315.
- Wounds, healing of, 8.
- Wren, 473; young of the, 481.
- Wright, C. A., on the young of Orcetes and Petrocinla, 487.
- , Chauncey, great brain-power requisite for language, 48; on correlative acquisition, 571; on the enlargement of the brain in man, 610,
- , Mr., on the Scotch deerhound, 517; on sexual preference in dogs, 524; on the rejection of a horse by a mere, 525.
- , W. Von, on the protective plumage of the Ptarmigan, 391.
- Writing, 144.
- Wyman, Prof., on the prolongation of the coccyx in the human embryo, 11; on the condition of the great toe in the human embryo, 11; on the occurrence of the supra-condy-loid foramen in the humerus of man, 22; on variation in the skulls of the natives of the Sandwich Islands, 26; on the hatching of the eggs in the mouths and branchial cavities of male fishes, 163, 345.
X.
- Xenarchus, on the Cicadæ. 281.
- Xenophon, selection in mankind advocated by, 29.
- Xenorhynchus, sexual difference in the colour of the eyes in, 425.
- Xiphophorus Hellerii, peculiar anal fin of the male, 337, 338.
- Xylocopa, difference of the sexes in, 292.
Y.
- Yarrell, W., on the habits of the Cyprinidæ, 250; on Raia clavatu, 331; on the characters of the male salmon during the breeding season. 332, 342; on the characters of the rays, 334; on the gemmeous dragonet, 336; on the spawning of the salmon, 344; on the incubation of the Lophobranchii, 346; on rivalry in song-birds, 369; on the trachea of the swan, 374; on the moulting of the Anatidoe, 393; on the young of the waders, 486.
- Yellow fever, immunity of negroes and mulattoes from, 193.
- Youatt, Mr., on the development of the horns in cattle, 235.
- Yura-caras, their notions of beauty, 580.
Z.
- Zebra, rejection of an ass by a female, 540; stripes of the, 545
- Zebus, humps of, 532.
- Zigzags, prevalence of, as ornaments, 179.
- Zincke, Mr., on European emigration to America, 142.
- Zootoca vipara, sexual difference in the colour of, 357.
- Zouteveen, Dr., polydactylism, 37: proportion of sexes at Cape of Good Hope, 243; spiders attracted by music, 273; on sounds produced by fish, 347.
- Zygænidæ, coloration of the, 314.
THE END.