Index 



397 



Fungus, i, 41 



Fur-seal, development of sperm 



of, ii, 4; migrations of, ii, 210; 



mating habits of, 267 

 Fusibility of tissues, as test of 



relationship, i, 143 



Gall-stones, ii, 164 



Gametes, i, 269 



Ganglia, supra-oesophageal, ii, 

 191; as relay stations, 194 



Gastrula, i, 203 



Gates, R. R., i, 353 



Gemmule, as method of asexual 

 propagation, i, 309; as specula- 

 tive entities (see term in glos- 

 sary) 



Gene, a hypothetical entity in 

 modern genetics, i, 20; static 

 nature of the conception, 42; 

 historic antecedent of, ii, 84 



Geneticists, modern school of, i, 

 324 



Genetics, tendency to ignore em- 

 bryology, i, 311; inattention to 

 developmental facts, ii, 14; 

 thinking on, 72 



Germ, nature of, i, 223; imaginary 

 structureless, 268 



German Deep-Sea Expedition, i, 

 278 



Germ-cells, in hydroids, i, 60; 

 promorphology of, 211; '^hrow 

 of" the soma, 319; subject to 

 metabolism, ii, 74 



Germ-disc, i, 208 



Germinal, continuity, i, 310; ma- 

 terial, 209; localization, ii, 16 



Germ-layers, i, 45; subservient to 

 organism, 48; and the germ- 

 plasm theory of Weismann, 58 



Germ-plasm theory, type effect of, 

 on observation, i, 66; implica- 

 tions of, 318; extreme form of 

 contrary to inductive science, ii, 

 76 



Germ-regions, organ forming, i, 

 209 



Giardia, i, 254 



Gibbs, J. Willard, ii, 341 



"Gifts," natural, ii, 235 



Ginkgo, i, 330 



Gladness, fits of, ii, 263 



Glands, ductless, endocrine, ii, 114 



Glycogen, i, 215 



Goal of biology, ii, 152 



Goette, Alexander, review and 

 criticism by Weismann on sex- 

 cells in hydroids, i, 62, et seq.; 

 organismal trend of results by, 

 68 



Goitre, ii, 115 



Gradients, direct and inverse, ii, 

 106; axial metabolic, 107 



Grafts, i, 143 



Granules, epithelial, ii, 135 



Grasshopper, i, 357 



Graves' disease, ii, 133 



Grebe, great crested, ii, 263 



Grennell, Joseph, i, 85 



Groos, Karl, ii, 273 



Growth, determines division, i, 

 220; integration, ii, 93, 94; cycle 

 of, 105; of an organism, 105; 

 explanation of, 107 



Gudernatsch, J. F., ii, 143 



Habits, mating, of birds, ii, 263; 

 of viviparous fishes, 265; stor- 

 ing, of honey bee, 268, of wood- 

 pecker, 269, of mammals, 271; 

 in nature, 278 



Haeckel, E., on radiolaria, i, 235; 

 moneron theory, 256, 320 



Haecker, V., on radiolaria, i, 236; 

 on ontogeny of radiolaria, 278 



Hairs of higher plants, ii, 55 



Half-embryo, i, 199, 201 



Hallez, P., i, 218 



Hardens, A., i, 104 



Hargitt, C. W., i, 67 



Harmer, S., i, 54 



Harmonic, equipotential system, 

 i, 205; equilibrium, ii, 118 



Harmony, i, 3; in health, ii, 127 



Harrison, R. G., on tissue cul- 

 tures, i, 168, et seq. 



Heidenhain, H., i, 332 



Heinke, Fr., i, 213 



Heliotropic, ii, 240 



Helium, ii, 342 



Hemoglobin, i, 95 



Henderson, L. J., ii, 339 



Herbart, as extremist in associa- 



