468 



INDEX 



Invertebrate animals, 219-264, 



297 



Iridocytes, 275 

 Iron in economy of nature, 19 

 Isolation, 430 



Jaeger, 110, 367 

 James, 182, 201 

 Jefferies, Richard, 1, 47 

 Jelly of frogspawn, 279 

 Jellyfish, 155, 226, 229 



life-history of, 305 

 Jennings, 160, 162, 165, 184, 245 

 Jordan, 430 



Kallima, 57 



Kamschatka, 130 



Kant, 400 



Katabolism, 156, 302, 303 



Keeble, 56 



Keith, 359 



Kelvin, 351 



King-crab, 258 



Kirby, 62, 87, 114 



Kiwi, 212, 289, 291 



Klein, 301 



Kleinenberg, 211, 321 



Kowalevsky, 268 



Kropotkin, 36, 43, 77, 78, 89, 



97, 99 



Kurtus gulliveri, 116 

 Kurtus, parental care in, 117 



Labryinthodonts, 277 

 Lacerta muralis, 283 



vivipara, 282 

 Lactic acid, 144, 145 

 Lagopus mutus, 394 

 Lamarck, 417 

 Lamarckian theory, 401 

 Lamarckism, 419, 420 

 Lamprey, 271, 326 

 Lamp-shells, 242, 347 

 Lampyris, 105 

 Lancelots, 270 

 Land-crab, 49, 51, 130 

 Land-leeches, 242 

 Lanice conchilega, 240 

 Lankester, Sir Ray, 168, 170, 423 



Larvae of crab, 335 



of crustaceans, 249, 251, 317 



of Echinoderms, 246 



of insects, 256 



of molluscs, 263 



of Tunicates, 268, 269 

 Larval periods, 324 

 Latent life, 45 

 Lateral line, 275 

 Laverania, 224 



Leaf -cutting ants, 86 

 Leaf-insects, 57 

 Leeches, 241 

 Lemurs, 48, 295 

 Lepas, 251 

 Lepidosiren, 274 

 Lepidosteus, 274 

 Leptocephali, 327 

 Leptodora, 251 

 Lepus variabilis, 394 

 Lernsea, 251 

 Lethal selection, 429 

 Leuckart, 52, 182, 201 

 Leucocytes, 141 

 Lice, 256 

 Life, 180-7 



- continuance of, 298-312 



origin of, 351 



- uniqueness of, 186 

 Life-histories, 323-37 

 Life-history of butterfly, 325 



of crab, 335 



- of Echinoderms, 329 



- of eel, 326 



- of freshwater mussels, 264 



- of freshwater sponge, 305 



- of frog, 279 



- of gnats, 329 



- of jellyfish, 230, 305 



of lampreys, 326 



- of liver-fluke, 234 

 -of May-flies, 112, 326 



- of Penseus, 318 



- of tapeworm, 331 



- of Tunicates, 269 

 Lima, 259 



Limnsea, 65, 234, 235, 260, 388 

 Limnocodium, 230 

 Limulus, 258, 349 

 Lineus, 237 



