404 



ZOOLOGY 



Key to classes of Echinodermata, 203 ; 

 principal families of Acrididae, 2; 

 Coleoptera, 58-61 ; Hymenoptera, 

 42-43 ; Lamellibranchiata, 188 ; Lepi- 

 doptera, 41-42; Myriapods, 78; Or- 

 thoptera, 14; Polychaeta, 159; Pul- 

 monates, 161 ; principal genera of 

 Daphnidae, 126; Lamellibranchiata, 

 191 ; to genus Lithobius, 79 ; to chief 

 orders of Birds, 314-317; Entomos- 

 traca, 130; Gastropoda, 160; Mala- 

 costraca, 122 ; species of Earthworm , 

 143 ; of Lithobius, 79. 



Killer whale, 325. 



Killifish, habits, food of, 242. 



Kingbird, 296. 



Kingfisher, 1300. 



Kitchen-middens, 188. 



Lacerta, 270. 



Lacertidae, 270. 



Lachnosterna, 50. 



Ladybird beetles, 55, 61. 



Lamellibranchiata, key to families of, 

 188. 



Lamellicornidae, 58. 



Lamellicorn beetles, 49-50, 58 ; leaf- 

 eating, 50 ; scavengers, 50. 



Lamprey, 245. 



Lamprey eels, 252. 



Lampyridae, 51, 60. 



Land-locked fishes, 230. 



Language of ants, 36. 



Laniidae, 289, 316. 



Lanius, 290. 



Larks, 295. 



Larval habits, of beetle, 45; grass- 

 hopper, 3-4 ; lobster, 116. 



Laterigradae, 89, 96. 



Leaf beetles, 61. 



Leaf-cutting ants, 37-38. 



Leaf-eating lamellicorns, 50. 



Leaf-hopper, 44. 



Leaf-miners, 42. 



Leaf-rollers, 42. 



Lecanium, 13. 



LedidaB, 187, 188, 191. 



Leeches, 139-140. 



Lemurs, 329. 



Leopards, 328. 



Leopard frog, 266. 



Lepidonotus, 147-148, 159. 



Lepidosteus, 248. 



Libinia, 108. 



Life history, of mosquito, 68 ; Union* 

 idae, 179-180. 



Light, effect of, on development, 333. 



Limacidae, 161. 



Limacinidae, 177. 



Limax, 161-164. 



Limnaea, habitat of, 166. 



Limnaeidae, 161. 



Limpets, 170, 177; economic impor- 

 tance of, 170. 



Limulus, 114. 



Line-weavers, 87, 96. 



Liobunum, 93-94. 



Lions, 328. 



Lithobiidae, 78. 



Lithobius, 74, 75, 78, 79. 



Littorina, 167-168, 175; littoria, intro- 

 duction, 167 ; range, 167 ; spread, 283. 



Littorinidae, 175. 



Liver-flukes, 153-154; life history of, 

 154-155 ; stages of, 156. 



Lizards, 268 ; fossil, 272. 



Llamas, 326. 



Lobster, 100, 103, 113; abnormalities 

 in, 119; development of, 115; em- 

 bryos of, 116 ; enemies of, 102 ; moult- 

 ing of, 103 ; protection of, 102. 



Locust borer, 55. 



Locusts, 14, 15 ; of old world, 2. 



Locustidae, 1, 15. 



Loligo, 172. 



Long-horned beetles, 54. 



Long-horned grasshoppers, 15. 



Long-horns, 61. 



Lophobranchii, 244, 253. 



Lost parts, regeneration of, 118. 



Louse-fly, 70. 



Loxia, 284. 



Lucanidae, 49, 58. 



Lucanus, 49. 



Lucius, 243. 



Lumbriculidae, 144. 



