546 



INTRODUCTION TO CYTOLOGY 



Hartmann, M., karyosome, 189 

 raeiosis in algse, 279 

 mitosis, 190 



motile apparatus, 198, 223, 224 

 on Protista, 376 

 pyrenoid, 68 



sex in lower plants, 226, 387 

 syngamy in Protozoa, 245 

 Hartmann, O., 61 

 Hartog, 160 

 Harvey, E. N., 188 

 Harvey, L., 88, 121, 425 

 Hatschek, 33 



Haupt, 191, 192, 201, 233, 280 

 Haustoria, 206, 207 

 Haworthia (angiosperm), 129, 130 

 Hayes, 355 

 Hazen, 68 



Headed chromosome, 116 

 Heartwood, 177 

 Heberer, 136 



Hedayetullah, 133, 137, 334 

 Hegler, 192 

 Hegner, 51, 213 



Heidenhain, achromatic figure, 153 

 animal cells, 13 

 cell theory, 20 

 chondriosomes, 87 

 cilia, 43, 223 

 connective tissue, 16 

 intercellular substance, 182 

 living cells, 3 

 metaplasm, 45 

 mitosis, mechanism, 160 

 nuclear structure, 55 

 organismal theory, 24, 436 

 protoplasmic structure, 46 

 Heidinger, 197 

 Heilborn, 126, 341 

 Heilbronn, 31 



Heilbrunn, 25, 31, 32, 40, 164, 170, 188, 242, 248 

 Heimans, 125, 210. 236 



Heitz, chromosome morphology, 116, 118, 129 

 function of nucleus, 58 

 heteroploidy, 342, 343, 395 

 heteropyknosis, 146, 386 

 meiosis, 283 

 nucleolus, 57, 120, 121 

 plastids, 69 



sex-chromosomes, 384, 386, 390 

 Heitzmann, 436 

 HdU (snail) , 80, 272 

 Hellebores;, 128 

 Helleborus (angiosperm), 86 

 Helvdla (fungus), 281 

 Helvestine, 184, 225 

 Helwig, 115, 320, 329 

 Hemerocallis (angiosperm), 209, 210, 354 

 Hemicellulose, 100, 176 

 Henckel, 65, 100 

 Henderson, 28 

 Henking, 376, 411, 440 

 Henle, 431 

 Henneguy, 225 

 Heptaploid, 339 



Herbst, 441 

 Heredity, algae, 306 



cytology and, 284 #., 441 

 defined, 285 

 fungi, 387 

 heteroploids, 350 ff. 

 Mendelian, 284 /. 

 nucleus in, 285 

 physical basis of, 286 ff. 

 Weismann's theory of, 441 

 Bering, 20 

 Herla, 146 

 Herlant, 247, 248 

 Hermann, 160, 397 

 Herrick, 222 



Hertwig, G., 245, 410, 412 

 Hertwig, O., heredity, 444 

 meiosis, 263 



nucleus in heredity, 285, 439, 441 

 organismal theory, 436 

 parthenogenesis, 411, 412 

 syngamy, 438 

 Hertwig, P., 401, 410, 412 

 Hertwig, R., 51, 58, 194, 277 

 van Herwerden, 27, 51, 194, 195, 220 

 Herzfeld, 206, 234 

 Herzog, 178, 179 



Heterobrachial chromosomes, 116 

 Heteromorphio pairs of chromosomes, 265, 271, 



303, 388 

 Heteronema (flagellate), 190 

 Heterophytic angiosperms, 388 

 Heteroploidy, 339 ff. 



and sex, 394 

 Heteropyknosis, 56, 146, 386 

 Heterospory, 206 

 Heterothallism, 232, 387 

 Heterotypic mitosis, 250 

 Heterozygous, 290 

 Heuser, 440 

 Hexaploidy, 339 

 Hexose, 27, 30 

 Heys, 188, 213, 311 

 Hibbard, 78 

 Hick, 16 

 Hicks, 341 



Hicoria (angiosperm), 238 

 Hieracium (angiosperm), 346, 347, 364, 405, 406, 



407, 415 

 Higgins, 190, 279, 280 

 Hill, H. E., 298, 354 

 Hill, S. E., 342 

 Hill, T. G., 14, 16, 64, 93 

 Hiller, 29 

 Hilum, 98 

 Hiras6, 207, 234 

 Hirata, 346 



Hirschler, 78, 194, 195, 215 

 Histon, 27 



History of cytology, 422-447 

 Hoar, 329 

 Hober, 40 

 Hobson, 242 

 Hoefer, 196 

 Hoeppener, 337 



