234 



Index. 



Connection between intelligence and 

 instinct, 160. 



Conspicuous flowers not usually 

 scented, 46; attractive to insects, 

 46. 



Coot, 183, 196 ; its nest, 197- 



Cork, 62. 



Cornflower, The, 140. 



Cossus of Komans, The, 228 ; ligni- 

 perda, 229. 



Cotton grass, The, 85. 



Crambus moth, Protective resem- 

 blance in, 30. 



Crataegus oxyacanthus, 24. 



Cretaceous rocks, 188. 



ross fertilisation, 129 ; in bell-heath, 

 97; in violet, 6; in wild parsley, 



Cuckoo, The, 127, 186; instinct of 

 young, 161. 



D. 



Dabchick, The, 183. 



Damage done by caterpillars, 51 ; by 

 wood-boring caterpillars, 228, 229. 



Dark-green Fritillary butterfly, 139. j 



Daybreak in Scotch Highlands, 177. 



Defensive glands of caterpillars, 206. 



Definition of intelligence, 160. 



Dehiscence of stamens of iris, 199. 



Denudation in Medway valley, 119; 

 in Thames valley, 193; sub-aerial, 

 89, 94. 



Deposits in caves, 190 ; near Medway 

 mouth, 120. 



Derivation of silver spots in butter- 

 fly, 140 ; of word hawthorn, 25. 



Development of haws, 28 ; of melanic 

 moths, 150 ; of silver spots on 

 undersides of Fritillary butterflies, 

 140. 



Devonian rocks, 188. 



Dicranura vinula, 20". 



Differences between drone and 

 worker bee, 131 ; eyes of spider, 

 caterpillar, and butterfly, 15 ; 

 fronds and leaves, 110 ; intelligence 

 and instinct, 160 ; young and adult j 

 lizard, 177; toads and frogs, 222 ; 

 worker ant and queen ant, 156; 

 worker bee and queen bee, 130. 



Diluvial deposits, 118. 



Dissemination of mistletoe seeds, 26 ; 

 of spores of potato blight, 136. 



Diver Water beetle, The, 17, 22. 



Dodder, The, 27. 



Dog-haws, 28. 



Dog violet (Viola canina), 5. 



Dogs, Breeds of, 166; selective agency 



by man on, 166. 



Domestic breeds, How produced, 148. 

 Dotterel, The, 184. 

 Dragonfly, 201, 225; metamorphoses 



of, 201, 202 ; voracity of, 200. 

 Drone bees, 130, 131. 

 Dutch clover, The, 179. 



E. 



Earliest man-made weapons, 189 ; 

 plants, 108. 



Early purple orchis, The, 33, 68; 

 life of ant, The, 156. 



Earwig, The common, 153. 



Effects of natural selection of cell- 

 making of bees, 172. 



Egg-laying of ant, 157; Antler moth, 

 113 ;'barn-owl, 70 ; bee, 132 ; butter- 

 fly, 45 ; coot, 197; lizard, 177; toad, 

 2i9; warty newt, 18; Wood 

 Leopard moth, 230. 



Elder, The, 32. 



Elephant (fossil), 119. 



Embryology of newt, The, 18. 



Enemies of lizard, 178. 



Ennychia nigrata, 152. 



Entomologist at work in spring, 209. 



Epilobium, 197. 



Ergot, 27. 



Erica cinerea, 96; E. tetralix, 96. 



Erosion of Thames bed, 193; of 

 Medway bed, 119, 120. 



Estimated thickness of stratified 

 rocks, 188. 



Evaluation of flagella of Puss moth, 

 207. 



Eversible glands, 207. 



Evidence of prehistoric man, 191. 



Evolution of red hawthorn, 29. 



Excretion of honeydew by aphides, 

 169 ; of irritant fluid from cater- 

 pillar, 207 ; of fluid by emerging 

 Wainscot moth, 225; of scent by 

 Ghost moth, 225 ; by skin of toad, 

 224 ; on tongue of frog and toad, 

 223. 



External anatomy of Eyed Hawk 

 moth, 204 ; of mole, 143. 



Extinct animals, 189, 190. 



Exuviation of lizard, 177 ; newt, 22 ; 

 toad, 223. 



