INDEX 



441 



Mastigina (flagellate), 83 



Mathews, 42, 70 



Maturation divisions, 220 ff. 



Maximow, 213 



Mayer, Rathery, and Schaeffer, 123 



McAllister, 109, 236 



McAvoy, 239 



McClendon, 188, 285 



McClung, chromosomes in insects, 351 



chromosome individuality, 160, 

 163-168 



reduction, 245, 252, 393 



sex-chromosome, 358 

 McCubbin, 291 

 McLean, 212 

 Mead, 78 

 Mechanism of cytokinesis, 188 



of karyokinesis, 182 

 Mechanistic hypothesis, 52 

 Meek, 185 

 Meganucleus, 30, 60 

 Megaspore, Lilium, 225 



Marsilia, 194 



Physostegia, 225 



Selaginella, 195 

 Meiosis, 220 



Melandrium (angiosperm), 256 

 M elanoxanthus (plant louse), 319 

 Melin, 248 

 Membranellse, 45 

 Mencl, 67 

 Mendelism, 336-344 



and sex, 366 

 Menidia (fish), 160 



Mercurialis (angiosperm), 256, 356, 372 

 Merismopedia (green alga), 205, 206 

 Meristem, 27, 63, 137 

 Mermiria (grasshopper), 165 

 Merogony, 63, 325 

 Merriman, 149, 209, 210 

 Mesoderm, 329 

 Mesospore, 195 

 Metabolic gradient, 139 



rate or level, 137, 139, 260 



theories of sex, 369 ff. . 

 Metabolism, 69, 70, 260 

 Metachromatin, 205, 206 

 Metachrome, 122 

 Metaphase, 144, 145, 147, 148 

 Metaplasm, 26, 133 ff. 



and senescence, 136 

 Metasyndese, 228 

 Metcalf, 208 



Metz, 256, 349, 350, 360, 361, 395 

 Meves, amitosis, 213 



centrosome in sperm, 95 



chondriosomes, 115-121 

 in fertilization, 120, 280 



reduction, 227, 250 



spermatozoon, 274 



spindle, 178 

 Meyen, 6 



Meyer, A., 46, 106, 107, 113, 123 

 Meyer, K., 82, 293 

 Miastor (fly), 404-406 

 Micellae, 107, 193, 399 

 Microcycas (cycad), 93 

 Microdissection, 38, 62 

 Micromeric theories of protoplasm, 48 

 Micronucleus, 30, 60 

 Microscope, 1 

 Microsome, 33, 122, 190 

 Microsphcera (fungus), 81 

 Microsporocyte, cytokinesis, 187 



reduction, 225, 235, 238 

 Microzyme, 48 

 Mid-body, 178, 179, 188 

 Middle lamella, 190, 191, 192, 194 



piece, 273, 275, 281 

 Miescher, 40, 41 

 Migula, 67 



Mimosa (.angiosperm), 47 

 Minchin, 44, 45, 60, 68, 83, 207, 208, 222, 



281, 282, 317 

 Minot, 63 



Mirabilis (angiosperm), plastid inheri- 

 tance, 331 



Mendelian behavior, 338, 339 



spore coat, 196 

 Mirande, 116 

 Mirbel, 5 



Mitochondria, 115 ff. 

 Mitokinetism, 185 

 Mitome and paramitome, 33 

 Mitoplast, 122 

 Mitosis, duration of phases, 146 



heterotypic, 220, 231 ff. 



mechanism of, 182 ff. 



somatic, 143 ff. 



compared with heterotypic, 228 

 summarized, 156 



in Cyanophycese, 202 ff. 



in other thallophytes, 179 



in protozoa,. 207 ff. 

 Mixochromosome, 257 

 Miyake, 87, 92, 236, 290, 295 



