Index 



399 



Initiative, mental, ii, 244 



Initiator hypothesis in heredity, 

 advantages of, ii, 83 



Inner mass, and outer layer, of 

 body, i, 301 



Insane-like conduct from absence 

 of brain, ii, 194 



Insect, eggs of, i, 220; sperm of, 

 ii, 9 



Instinct, involves animal as a 

 whole, ii, 188; importance of as 

 zoological term; 247; variability 

 of, 251; and intelligence, 256; 

 food-gathering, 268; problem of, 

 284; "instinct actions," "instinct 

 feelings," 284; and physical or- 

 ganization, 310 



Integratedness, of Oiardia, i, 255; 

 and equilibrium, ii, 198 



Integration, growth, ii, 93; func- 

 tional, 113; distinction between 

 developmental and functional, 

 161; cellular, in reflex arc, 163; 

 and differentiation, 168; psy- 

 chic, 214 



Integrity, organismal, i, 26 



Intellect, feeling, will, ii, 217; and 

 instinct, 256 



Interaction, chemical, i, 215 



Intercellular substance, ii, 170 



Interdependence, metabolic, ii, 104 



Internal secretions, importance of, 

 to organismal conception, i, 23; 

 conception of, ii, 113; interrela- 

 tions of, 124; and epithelium, 

 135; and "formative stuffs," 142 



Internal secretory systems, ii, 128; 

 and nervous systems, 128 



Investigation of distribution of 

 sex-cells, i, 73; statistical of 

 animal behavior, ii, 280 



Iron, ii, 339, 337 



Irradiation, ii, 174 



Isolated cells, i, 167 



James, William, on human energy, 

 ii, 132; on associationist psy- 

 chology, 229; on consciousness 

 of self, 309 



Jelly-fish, i, 235 



Jennings, H. S., on ultra-Mendel- 

 ism, i, 42; on complexity of 



protozoan behavior, 289; on trial 



and error, etc., ii, 252 

 Johnson, H. P., i, 272 

 Jolly, J., i, 176 

 Jordan, H. E., ii, 60 



Kant, E., self-conscious unity of 

 apperception, and transcenden- 

 talism, ii, 233 



Karyoplasm, i, 135 



Kelp, ii, 105 



Key, cell as, to biological phe- 

 nomena, i, 229 



King, Miss H. D., ii, 76 



Knowledge, analytic and synthet- 

 ic, i, 25; -getting, ii, 213; ana- 

 lytic, 213; theory of, 296; nature 

 of, 297 



Kofoid, C. A., i, 244; on soil amoe- 

 ba, 328 



Kofoid and Christiansen, on neu- 

 rometer system in flagellates, i, 

 254 



Kolle and Wassermann, i, 258 



Laboratory, as an agency, ii, 212 

 Lamarck, i, 5, 75 

 Lancelet, ii, 95 

 Langley, J. M., ii, 129 

 Lapwing, dance of, ii, 262 

 Larvae, grafting together, i, 207; 



specific characters in, 214; as 



"carrier" of adult characters, 



224 



Law, of elements, ii, 160 

 Lead, ii, 341 

 Leaves, compound, ii, 99 

 Leeches, ii, 311 

 Leibnitzian theory, ii, 150 

 Lemon trees, i, 38 

 Lewis and Lewis, ii, 40 

 Life, ii, 286; vegetal, emotional, 



rational and intellectual, 162; 



tripod of, 182; subjective, 284 

 Like produces like, i, 315 

 Likenesses, functional, ii, 276 

 Lillie, F. R., as pre-organismalist, 



i, 11; on "properties of whole" 



in the embryo, 12 and 193 

 Lillie, R. S., i, 340 

 Limulus muscle, ii, 60 

 Lineus lacteus, i, 189 



