Transformation. _See_ Metamorphosis Triassic insects, 107 Trichocera, 70 Trichoptera, 62-3, 76, 80, 86 Tsetse Flies, 91 Turnip-fly, 53, 92, 94 Turnip Moth, 98-9 Tussock Moths, 90, 97 _Vanessa urticae_, 45, 95 Van Rees, J., 42 Vapourer Moth, 96-7, 115 _Velia currens_, 116 Verhoeff, K.W., 11 Vermiculiform larvae, 67, 71-6, 111 Virgin stem-mothers, 18 Viviparous reproduction. _See_ Birth Wagner, N., 90 Warble-fly, 73-4, 89, 108 Warning coloration, 60 Wasmann, E., 92 Wasps, 46, 64, 66-7, 83 Water-insects. _See_ Aquatic insects Weevils, 55 Weismann, A., 38, 42, 102 White Butterflies, 41, 83, 85, 100-3 Willow-beetles, 53 Wingless insects, 15, 18, 20, 96, 115 Wing-rudiments, 13, 18, 20, 22, 24, 28, 33, 36-8, 40, 111, 115, 117-19 Wings, 1, 14, 115, 119-20 Winter broods, 102-3 Wintering stages, 93-101 Wireworms, 52, 93 Wood-wasps, 65 CAMBRIDGE: PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS THE CAMBRIDGE MANUALS OF SCIENCE AND LITERATURE Published by the Cambridge University Press GENERAL EDITORS P. GILES, Litt.D. Master of Emmanuel College and A.C. SEWARD, M.A., F.R.S. Professor of Botany in the University of Cambridge 70 VOLUMES NOW READY HISTORY AND ARCHAEOLOGY Ancient Assyria. By Rev. C.H.W. Johns, Litt.D. Ancient Babylonia. By Rev. C.H.W. Johns, Litt.D. A History of Civilization in Palestine. By Prof. R.A.S. Macalister, M.A., F.S.A. China and the Manchus. By Prof. H.A. Giles, LL.D. The Civilization of Ancient Mexico. By Lewis Spence. The Vikings. By Prof. Allen Mawer, M.A. New Zealand. By the Hon. Sir Robert Stout, K.C.M.G., LL.D., and J. Logan Stout, LL.B. (N.Z.). The Ground Plan of the English Parish Church. By A. Hamilton Thompson, M.A., F.S.A. The Historical Growth of the English Parish Church. By A. Hamilton Thompson, M.A., F.S.A. English Monasteries. By A.H. Thompson, M.A., F.S.A. Brasses. By J.S.M. Ward, B.A., F.R.Hist.S. Ancient Stained and Painted Glass. By F.S. Eden. ECONOMICS Co-partnership in Industry. By C.R. Fay, M.A. Cash and Credit. By D.A. Barker. The Theory of Money. By D.A. Barker. LITERARY HISTORY The Early Religious Poetry of the Hebrews. By the Rev. E.G. King, D.D. The Early Religious Poetry of Persia. By the Rev. Prof. J. Hope Moulton, D.D., D.Theol. (Berlin). The History of the English Bible. By John Brown, D.D. English Dialects from the Eighth Century to the Present Day. By W.W. Skeat, Litt.D., D.C.L., F.B.A. King Arthur in History and Legend. By Prof. W. Lewis Jones, M.A. The Icelandic Sagas. By W.A. Craigie, LL.D.