Vigour and heredity / by J. Lewis Bonhote.

  • Bonhote, J. Lewis (John Lewis), 1875-1922.
Date:
1915
Catalogue details

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Vigour and heredity / by J. Lewis Bonhote. Source: Wellcome Collection.

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    258 VIGOUE AND HEREDITY Newton, Prof. Alfred, 123 ] New species and climate, 174 Nightingale's song, 195 Nuclei and protoplasm of ova and spermatozoa, 179 Nutrition and vigour, 244 colour a reserve of, 27 effects of, 162 increases anabolism, 162 Objections to vigour theory, 159, 160,161 Ochotona Ladacensis, 19 Boylei, 19 Opisthocomus, 24 Oriental Eats, variability in same locality, 39 Squirrels, variability in same locality, 39 Ova and spermatozoa, comparative vigour of, 166 excess of, produced by lower animals, 163 nourishment of nuclear of, and fixity of characters, 180, 181, 209 Ox, Musk, 18 Oxidisation and vigour, 30 Paired characters and vigour, 226, 227 Pairs of characters, 207 Patency and latency, 224, 225 Penguins, 19 Photograph of Dun Pigeon feathers, 211 Physiological activity, 246 Piu-eon, breeding of male Dun, 112 Dun, photograph of feathers of, 211 exceptions to Mendel's Law, 201 experiments, proportion of females in, 97-112 Pigeons, 97 and sex, 98, 99, 100, 101 and sex limitation, 108 Chequered, 212 Chequered and Mendel's Law, 217 Chequered, matings of, 112-113 chequering in, 205, 206 colour of, 41, 112 Pigeons, cross between Dragoon and Homer, 216 deviations from expected Mendelian results, 100- 121 experiments on, 46 inheritance of colour in, 97 matings of Chequered, 112, 113 Mealy, 100-107 Mendelian inheritance in, 97 sex and colour in, 99, 100, 116 sex and vigour, 102, 103, 104, 105 sexual dimorphism in, 117 Silver Chequeres and Pure Blue, 200 silver colour in, 198, 199, 200 silver colour in, due to lack of vigour, 210 - silver colour inheritance in, 110, 111 silver coloured, and vigour, 200 wattle of Dragoon, 219 wattle of Dragoon and Galton's Law, 221 webfoot character in, 97, 98 webfooted, 2, 197, 201 webfooted, and Mendel's Law, 217 webfooted, exceptions to Mendel's Law, 201 white, a sign of low vigour in, 114, 115, 116 Wild Eock, 205 Pintail, disappearance of, characters in hybrids, 153, 154 Duck, 13 Pintail - Mallard - Spotbill hybrids, 216 Plumage, eclipse in Wigeon, 152 eclipse, of Wigeon and vigour, 152 eclipse, of hybrid Ducks, 127 Pocock, E. I., 64 Polar Bears, 157 I Polar circles, colour in, 18, 19