INDEX. 



497 



Individuality of cells, i. 123 



of metamera, i. 318 



Tndo-Gormanic pedigree, ii. 23 

 Induction, i. lOi ; ii. 35 

 Inorganic history of earth, ii. 5 

 Insects, mental capacity of, ii. 448 

 Integumentum, ii. 199 

 Intestinal germ-disc, i. 291 

 vesicle, i. 291 



head-cavity, i. 335 



Intestine, after, ii. 321 



blind, ii. 330 



crooked, ii. 319, 330 



digestive, ii. 330 



emptv, ii. 330 



middle, ii. 330 



stomach, ii. 330 



Invertebrates, i. 414 

 Jris, ii. 252, 258 



Jaeger, Gustav, i. 101 

 Jaw arches, ii. 102 



lower, ii. 102 



upper, ii. 102 



Jurassic period, ii. 14, 19 



Kant, Ijsimantjel, i. 79 

 Kidneys, ii. 403, 412 

 Kidney system, ii. 403 



primitive, ii. 306, 410 



Kenogenesis, i. 12 

 Kenogenetic cleavage, i. 231 

 Kernel of cell (nucleus), i. 127 

 Kleinenberg, Nicolaus, ii. 358 

 Kolliker, Albert, i. 59, 62 

 Kowalevsky, August, i. 59, 441 



LABTRfNTlI OF EAR, ii. 260 

 Labyrinthute, ii. 58 

 Lamarck, Jean, i. 82 



his life, i. 82 



Man and Ape, i. 85 



— *' Philosophic Zoologique, 



i. 83 



i; 



Lamina dermalis i. 273, 327 



gastralis, i. 273, 327 



inodermalis, i. 327 



inogastralis, i. 327 



mxjxogaslralis, i. 327 



neuro dermalis, i. 327 



Lampreys, ii. 101, 121 

 Lancelet, i. 253, 413 

 Lankester, Ray, i. 60 

 Lanugo, ii. 203 

 Larynx, ii. 330 



Latebra (of bird's eg^), i. 138 

 Laurentian period, ii. 9, 19 

 Layers {Laminoe), i. 273, 327 

 Leather.plate, i. 327 



skin, ii. 200, 232 



Leeuwenhoek, i. 37 

 Leg, lower, ii. 278 



upper, ii. 278 



Leibnitz, i. 39 

 Lemuria, ii. 183 

 Lemurs, ii. 164 

 Lens, ii. 251, 254 

 Lepidosiren paradoxa, ii. 119 

 Leptocardia, ii. 120 

 Limbs, ii. Ill, 30v'3 



fore, ii. 302 



hind, ii. 306 



skeleton of, ii. 305 



theory of, ii. 305 



Linnaeus, Karl, i. 73 

 Lip-cartilage, ii. 245 



fissure, ii. 246 



Liver, ii. 330, 341 

 Lizards, ii. 120, 129 

 Locomotoriurrif ii. 194, 274 

 Loi-i, ii. 163 

 Lyell, Charles, i. 77 

 Lymph-cells, ii. 366 

 vessels, ii. 373 



M 



Macula germinativa, i. 133 

 Magosphcera planula, ii. 60 

 Male breast, ii. 204 



cells, i. 171 ; ii. 392 



copulatory organs, ii. 423 



excretory ducts, ii. 414, 431 



germ-glands, ii. 398 



gerai-layer, ii. 393 



