Wallace, A. R.;
introduction of the expression “seasonal dimorphism,” 1;
on the dull colours of female butterflies, 8;
sexual dimorphism of butterflies, 32;
local variation in colour, 60;
comparison of seasonal dimorphism with alternation of generations,
80;
the bright colours of caterpillars, 293;
on adaptation, 589;
on variability, 654, 658.
Wallace, Dr., colour changes in larva of _B. Cynthia_, 7.
Walsh, B. D., phytophagic variation, 305.
Weale, J. P. M., on the young larvæ of _Pap. merope_ and _Gyn. Isis_,
166;
the larva of _Ach. Atropos_ in S. Africa, 263;
habits of S. African Sphinx-caterpillars, 290.
Weir, J. Jenner, the colour variations of _Hip. semele_, 8;
experiments with brightly-coloured, hairy, and spiny caterpillars,
336.
Westwood, Prof. J. O., seasonal dimorphism of _Eph. punctaria_, 4;
figure of caterpillar referred to, 243;
gynandromorphic butterfly, 249.
White colour, protection afforded by, 6, 659, 661.
White, Dr. F. B., local variation in British Lepidoptera, 60;
young _Notua_ larvæ, 166.
Wiedersheim, on the anatomy of _Amblystoma_, 577;
habits of _Geotriton fuscus_, 617;
anatomy of Axolotl, 623.
Wigand, on the non-increase in size of the gooseberry, 654.
Wilde, O., on larva of _Dei. Galii_, 213;
of _Dei. Hippophaës_, 218;
larval characters of the _Notodontidæ_, 443.
Wilson, Owen, figure of larva of _Ch. porcellus_ referred to, 188.
Wöhler, Prof., the synthesis of urea, 643.
Wood, T. W., photographic sensitiveness of Lepidopterous pupæ, 405.
Würtemberger, on Ammonites, 275.