466 



INDEX 



Immunity, 338, 339 



Incus, 198 



Indian Corn, 67, 263 



Individual, adaptability, 339-344; 

 origin of, 209-260; heritage of, 

 261-306 



Infundibulum, 187-189 



Ingenhousz, 398 



Inheritance, 261, 403; alterna- 

 tive, 268, 405; blending, 268, 

 283, 286; of human hair char- 

 acters, 278; mosaic, 268; sex- 

 linked, 268; of size in Peas, 273 



Insects, 117, 415; traps, 73 



Instincts, 342 



Integumentary system, 116 



Intercellular digestion, 156 



Internal receptor, 193 



Intestine, 123, 131, 137, 148, 156; 

 nerve supply, 186; section of, 

 59 



Intracellular digestion, 156 



Invertebrates, 117, 414, 415 



Invertebrate eye, 199, 200 



Iris, 201 



Irritability, 18, 181, 183 



Ischium, 144, 14^, 354 



Islands, continental, 369; coral, 

 372 



Island faunas and floras, 369 



Ivy, 67 



Jaws, 143 



Jennings, H. S., 342 

 Johannsen, 303 

 Jugular vein, 164, 165 

 Jurassic period, 358 



K 



Kallima, 321 

 Karyolymph, 27 

 Karyosome, 26, 28 



Katabolism, 16 



Katydid, 319 



Kelley, H. A., 148-152 



Kelp, 63 



Kidney, 137, 153, 175, 180 



Kinetic energy, 6, 35, 42 



Labyrinth, 196 



Lacteals, 168 



Lagena, 197 



Lamarck, 3, 39, 267, 374, 393, 409 



Lamina, 71 



Lamprey, 416; egg and sperm, 236 



Laplace, 15 



Larynx, 153, 356 



Latent character, 268 



Lateral line organs, 195 



Lavoisier, 15, 396 



Law of probability, 299-3O5 



Leaf, 65, 71-75, 82-84, 112; air 

 spaces, 83} base, 71; develop- 

 ment, 82; epidermis, 83; pali- 

 sade layer, 83; section of, c^ 

 vein, 83; vertical section, 22 



Leeuwenhoek, 387, 388 



Legs of Bee, 327 



Lens, 201 



Lichen, 332 



Liebig, 398 



Life, 6, 19; definition, 15; origin, 

 28, 209; physical basis, 6, 400; 

 'triangle' of, 298; web of, 330 



Limb, pentadactyl, 144 (see Skele- 

 ton) 



Linin, 26, 27 



Linkage, 293-296 



Linnaeus, 346, 390-392 



Linville, H. R., 148-152 



Liver, 137, 148, 1'49, 156, 168, 175 



Living matter, adaptation, 17-18; 

 characteristics of, 10-20; chemi- 



