240 



Index. 



Stickleback, The habits and nest of, 



200. 



Sting of ants, 155. 

 Stone are, The, 189; implements, 



119, 189. 



Storm in the Scotch Highlands, 83. 

 Stratified rocks, 187. 

 St.repsilas interpres, 184. 

 Stridulation in ants, 170 ; in bees, 



172. 

 Structure of apple, 38; of chalk, 



173 ; of fruits, 38 ; of gills, 221 ; 



of hip, 38; of lungs, 222; of 



pear, 38; of strawberry, 38; of 



worker bee, 131. 

 Sub-aerial denudation, 89, 106, 118, 



187, 193. 

 Succession of animal life in time, 188, 



189 ; of vegetable life in time, 108. 

 Suitability of mole's build for 



tunnelling, 144. 

 Sulphate of lime brought down by 



Thames, 194. 



Summer bird migrants, 184, 186. 

 Swallow, The, 125 ; -tail moth, 69. 

 Swarming of bees, 133. 

 Swarms of ants, 158. 

 Sweetbrier, The, 38, 42, 48. 



T. 



Tadpole, of newt, 18 ; of toad, 216. 



Talpa europaea, 142. 



Tansy, Odour of, 49. 



Teeth of frog, 223. 



Temperature affecting Peronospora, 

 136. 



Tern, The, 183. 



Territelarise, The, 14. 



Tertiary rocks, 188, 190. 



Thickness of stratified rocks, Esti- 

 mated, 188. 



Thrush's nest, 30. 



Time changed, 29. 



Tit hunting for moths, 81. 



Toad, Life history of, 215. 



Tongue of frog and toad compared, 

 223. 



Tortoiseshell butterfly, The, 124, 125, 

 138. 



Tortrix, moths, 113 ; abundance of 

 caterpillars of, 51. 



Tree ferns, 110. 



Trees on which mistletoe is para- 

 sitical, 26. 



Trefoils, Various kinds of, 178. 



Trifolium minus, 179 ; pratense, 



179 ; repens, 1/9. 

 Tubitelarite, The, 14. 

 Turdus musicus, 31. 

 Turnip moth caterpillar, The, 123. 

 Turnstone, The, 184, 185. 

 Turtle dove, The, 58, 186. 

 Twin-spot Wainscot moth, The, 225. 

 Types of post-tertiary skulls vary. 



192. 



TJ. 



Umbellifene, 128. 

 Umbels of wild parsley, 128. 

 Unisexual flowers, 60, 128. 

 Use of forceps of earwig, 153. 



V. 



Vanessa urticae, 125. 



Variation in all natural objects, 39, 

 147 ; in Common Blue butterfly, 

 122 ; in Fritillary butterflies, 139, 

 140 ; in Helix nemoralis, 147 ; in 

 mole, 144 ; in moths, 150, 151 ; in 

 post-tertiary skulls, 192 ; in 

 roses, 39 ; in spiders' webs, 13 ; in 

 squirrel, 66 ; in violets, 4 ; in wil- 

 lows, 208 ; sexual in newts, 17- 



Velocity of light and sound, 83. 



Verbascum, 124. 



Vernation in violet, 6. 



Vibration of moth's wings, The rate 

 of, 54, 113. 



Violet, 3; Viola cunina, 5; Viola 

 pdorata, 5; cleistogamous flowers 

 in, 7 ; odour of, 43. 



Viper an enemy to the lizard, 178. 



Viscid fluid excreted by tongues of 

 frog and toad, 223. 



Vision in insects, 44, 47; in spiders, 

 15. 



Visunl axes of spider's eyes, 15. 



Vulpauser tadorna, 185. 



W. 



Wagtail, The, 186. 

 Wainscot moth, The Twin-spot, 225. 

 Warty newt, Life history of, 17. 

 Wasp, Intelligence of, 162 ; social, 



162. 

 Water-dropwort, The, 19" ; -hen, 



The, 183 ; -vole, The, 183. 

 Wax-wing, The, 195; -glands of 



worker bee, 131. 

 Wealden clay, The, 119. 



