Index. 



237 



Idlies of France = Iris, 199, 200; of 

 the valley, 67. 



Limestone caverns, 190 ; contents of, 

 191. 



Limpets, Homing of, 162. 



Ling, The common, 95. 



Linnet, The, 175. 



Lion (fossil), The, 190. 



Livingstone's evidence on stridula- 

 tion of ants, 170. 



Lizard, The common, 176 ; with two 

 tails, 177- 



Lobopelta, Roar made by, 170. 



Lubbock on ants, 159. 



Lucanus cervus, 227- 



Lungs, Structure of, 222 ; of toad, 

 218. 



Luxuriance of mistletoe in Hereford- 

 shire and Worcestershire, 25. 



M. 



Male ants, 156. 



Mallow seeds, 121. 



Mammals, The age of, 189. 



Mammoth, The, 190. 



Man adapted to environment, 189 ; 

 prehistoric, 187- 



Mandibles of Lucanus cervus, 225. 



Marshes of the Thames, The. 183. 



Mavis, The, 125, 175. 



Mendow-brown butterfly, The, 125. 



Medwav, Geology of basin of, 118; 

 in olden times, 120 ; swarms of 

 ants floating on, 158. 



Melanic moths, How produced, 150. 



Merle, The, 125, 175. 



Metallic spots on under-sides of 

 Fritillary butterfly, Derivation of, 

 139. 



Metamorphoses of ant, 156 ; of bee, 

 131 ; of dragonfly, 202 ; of earwig, 

 153 ; of grasshopper, 153 ; of Green 

 Oak moth, 51; of insect, 12, 51 ; 

 of newt, 18, 21; of Stag beetle, 

 223 ; of toad, 217 ; of Twin-spot 

 Wainscot moth, 225. 



Micraster, fossil, 173. 



Microscopic examination of spider's 

 eyes, 15. 



Midges on Scotch burn, 93. 



Mignonette, scent of, 43 ; flowers of, 

 43, 46. 



Migration of birds, 183, 185 ; of but- 

 terflies, 162 ; of locusts, 162. 



Migratory instinct in birds, 162. 



Mistletoe, The, 17, 25 ; abundance 

 in Worcestershire and Hereford- 

 shire, 25 ; growth of, 26 ; germina- 

 tion of seed, 26. 



Modification of variable characters, 

 149 ; of violet flower, 6. 



Mole, The life history of, 142. 



Moths attracted by sallow catkins, 

 208 ; assembling, 113 ; melanic 

 forms of, 151 j mimicking grass- 

 hopper, 152 ; selecting suitable 

 spots for resting, 161. 



Mountain ash, The, 32, 82, 100, 106 ; 

 called rowan tree, 101 ; beer made 

 from berries, 102 ; sorbinose ob- 

 tained from, 102. 



Muirburn, The. 98, 99. 



Mullein, The, 121. 



N. 



Natural selection, Action of on 

 moths, 80, 150; on rabbits, 149; 

 on antelopes, 149. 



Nebular hyp "thesis, 71 ; condition 

 of earth, 187. 



Nectary of heather, 97 ; violets, 6 ; 

 willow, 208; yellow flag, 198; of 

 flowers attracts insects, 47. 



Neolithic age, Tlie, 189. 



Nest of barn-owl, 70; blue-tit, 50 ; 

 chaffinch, 163; coot, 183, 197; 

 Formica rufa, 155 ; Formica san- 

 guinea, 166 ; gold crest, 54 ; king- 

 fisher, 195 ; long-tailed titmouse, 

 139; nightingale, 5L ; quail, 53; 

 red -backed shrike, 57; reed warbler, 

 184 ; squirrel, 6t ; stickleback, 200; 

 thrush, 3 ; waterhen, 183 ; white- 

 throat, 134 ; wild duck, 183, 196 ; 

 yellow-hammer, 127. 

 | Nest- like twigs of birch caused by 



Acarus, 104. 



i Neuter ants, Work of, 167. 

 j New stone age, The, 189, 190. 



Newt, The warty, 17. 



Nightingale, The, 51, 181, 186, 230. 



Nightjar, The, 69, 181. 230. 



Nonagria geminipuncta, 225. 



North Downs, 118, 186. 

 ] Number of eggs laid by ants, 157 ; 

 of insects caught by a pair of 

 white-throats, 134. 



Nymph of dragonfly, 202. 



