INDEX 



I.;.; 



Cystolith, 134, 135 



Cytoblast, 8 



Cytoblastema, 8, 1 i:; 



Cytokinesis, 186 ff, 



by cell plate, 176, 190 

 by furrowing, L86 



Cytolysis, 285, 286 



Cytomorphosis, 1 17 



< Jytoplasm, 25, 40 



in fertilization, 280, 294, 299 

 in heredity, 326, 328, 330 

 pattern in ovum, 329 

 reducing action, 123 



Czapek, 44 



D 



Dahlgren, 225 



Dahlia (angiosperm,), 2.56 



Dale, 290, 312 



Dangeard, 84, 85, 86, 122, 202, 290, 



Daphnia (copepod), 371 



Darling, 159, 356 



Darwin, 16, 49, 398, 402 



Datura (angiosperm), 134 



Davey and Gibson, 372 



Davis, B. M., blepharoplast, 85 



eentrospheres, 80, 82 



cytokinesis, 187 



fertilization, 289, 290 



(Enothera mutants, 344, 345 



plastid, 113, 114 



reduction, 241 

 Davis, H. S., 239 

 Death, 136, 138 

 Debaisieux, 237 

 Dedifferentiation, 137 

 Degeneration, 2\\ ff., 259 

 Dehorne, 150, 159 

 Delage, 63 



and Goldsmith, 400 

 Delia Valle, 103 

 Dellinger, 45 

 Dendrite, 30 

 Denke, 195 



Derbesia (green alga), 85, 86 

 Dermatosome, 193 

 Dermocarpa (blue-green alga), 201 

 Derschau, 66, 123, 136 

 Des Cilleuls, 212 

 Desmid, 105, 186, 222 

 Determinant. 226, 400 ff. 

 Deton, 237 

 28 



I teutoplasm, L3 l 

 Development (Ontogen. 



15, I in 

 chemical <-<»nt rol of, 1 1 j 

 non-factorial 1 1 1 1 1 



R i ismann'fl I heory of, mi . 107 



Developmental mechanics, 1 ! 1 



Devi-.'. 182 



Dextrin, 107 

 Diakinesis, 231, 232, 2 

 Dicroccdium (flatworm . 245 

 Dictyota (brown alga . cell wall, l 



centrosome, 79, so. 82 



reduction, 223 

 Didiploid nuclei, 260 

 Didymium (slime mold . 1^7 

 Dietel, 22 I 



Differentiation of cells, 26, 137 



products. 133 Jf. 

 Digametic condition. :;.">s /f. 

 291 Digby, extruded chromatin, L36 



nucleolus, 65 



prochromosomes, L59 



reduction, 239, 240, 248 



somatic chromosomes, 1 19, 152 

 DinophUtts (annelid worm), :;.".7. 368 

 Dionoea (angiosperm . 17 

 Dioon (cycad), 02. '.»:;. 94, 294 

 Diplotene, 231, 233 

 Diptera, 256 

 Dispermy, 163, 326 

 LH8808teira (grasshopper), 119 

 Dixon, 211 

 Dobell, 67 

 Dodge, 22:; 

 Dog, 361 



I >ominance, .;.'i7. 339 

 Doncaster, i\. 319, 363 

 Double fertilization. 14, 298, 299, 302 

 Double heterotypic spireme, 241 243 

 Double reduction, 223, 224, 291 

 Douin, •">•">•">, 36 l 

 Downing, 275 



Draparnaldia (green alga . 104, 108 

 Driesch, 328, U2 



and Morgan. 328 

 Drosera (angiosperm 159, 236, 251, 252 

 Drosophila (fruit fly), chromosome com- 

 plement, 350, 383 

 map, 388, 389 



crossing over. 3^7 jf. 



intersexes, 37 1 . 376 



linkage, "'7'.i 



