INDEX 



141 



Mastigina (flagellate . s; i 



Mathews, 42, 70 



Maturation divisions, 220 ff. 



Maxiiimw , 213 



Mayer, Rathery, and Schaeffer, 123 



McAllister, 109, 236 



McAvoy, 239 



McClendon, iss, 285 



McClung, chromosomes in insects, 351 



chromosome individuality, L60, 

 163 -168 



reduction, 245, 252, 393 



sex-chromosome, 358 

 McCubbin, 291 

 McLean, 212 

 Mead, 78 

 Mechanism of cytokinesis, L88 



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 

 Melanoxanthus (plant louse), 319 

 Melin, 248 

 Membranellse, 45 

 Mencl, 67 

 Mendelism, 336-344 



and sex, 366 

 Mi nidia (fish), 160 



Mercurialis (angiosperm), 250, 356, 372 

 Meri.smopcflia (green alga), 205, 206 

 Meristem, 27, 63, 137 

 M< nutria (grasshopper), 165 

 Merogony, 63, 325 

 Merriman, 149, 209, 210 

 Mesoderm, 329 

 Mesospore, L95 

 Metabolic gradient , 139 



rate or level, 137, L39, 260 



theories of sex, 369 ff. 

 Metabolism, 69, 70. 260 

 Metachromatic 205, 206 

 Metachrome, 122 

 Metaphase, 144, 145, 1 17, 1 18 

 Metaplasm, 26, 133 jf. 



.-Hid Benescence, 136 

 Metasyndese, 228 

 Metcalf. 208 



Met/. 256, 349, l. 395 



Meves, amitosis, 213 



cent rosome in Bperm, 



chondriosomes, 1 15 1 2 1 

 in fertilization, 120, 280 



reduction, 227. 250 



spermatozodn, 274 



spindle, 178 

 Meyen, 6 



Meyer, A., if.. 106, L07, L13, u I 

 Meyer, K . 82, 2 

 Miastor [fly . MM 106 

 Micella*, L07, L93, 399 

 Microcycas (cycad . 93 

 Microdissection, 38, 62 

 Micromeric theories of protoplasm, i N 

 Micronucleus, 30, 60 

 Microscope, 1 

 Microsome. 33, 122, 190 

 Microsphoera [fungus . M 

 Microsporocvte, cytokinesis, 187 



reduction. 225. 235, 238 

 Microzyme, 18 

 Mid-body, 178, 179, 188 

 Middle lamella. 190, 191, 192, 194 



piece, 273, 275, 281 

 Miescher, 40, 41 

 Migula, 67 



Mimosa [angiosperm I, 17 

 Minchin, 14, 45. 60, 68, 83, 207, 208, 222, 



281, 282, 317 

 Minot, 63 



MirdbMs (angiosperm), plastid inheri- 

 tance, 331 



Mendelian behavior, 338, 339 



spore coat, 196 

 Mirande, 116 

 Mirbel, 5 



Mitochondria, 115 ff. 

 Mitokinetism, l s 5 

 Mitome and paramitome, 33 

 Mitoplast, 122 

 Mitosis, duration of phases, l M'> 



heterotypic. 220, 231 ff. 



mechanism of, L82 jf. 



somatic, 1 h"> jf. 

 compared with heterotypic, 228 

 summarised, 156 



in ( Jyanophyces, 202 ff. 



in other thallophytes, 1 79 



m protozoa, 207 ff. 

 Mixochromosome, 257 

 Miyake, 87, 92, 236, 290 295 



