INDEX 



149 



Sporogenesis, and Bex-determination, 



:;.").") 356 

 Sporophytio budding, 312, 315 

 Sprengel, ( '. K., L3 

 Sprengel, K., 5 

 Stains, 117 



Stangeria (cycad I, 294, 298 

 Staphylea (angiosperm), 239 

 St a nli. 106, 107, 112, 134 

 Starfish, 286, 287 

 Steil, 28S, 313, 314 

 Stein, 61 



Stemonitis (slime mold), 85 

 Stentor (protozoan), 60, 62, 69 

 Stevens, F. L., 289, 290 

 Stevens, N. M., 256, 358, 360, 361 

 Stomps, 155, 248, 256, 345-347 

 Storage, 66, 106, 133 

 Stout, 159, 372 

 Strasburger, amitosis, 213 



apogamy and apospory, 311, 315, 

 316 



blepharoplast, 85 



cell-division, 143 



cell wall, 190, 193 



centrosphere, 76, 79, 80 



chromomeres, 155, 156, 258 



chromosome number, 163, 164 



chromosomes (somatic), 149, 158 



cytokinesis, 186, 190 



ectoplast 43 



eyespot, 111, 112 



fertilization, 300 



mitosis in myxomycetes, 208 



nuclear fusion, 14, 273 



nuclei by division only, 10 



nucleolus, 66 



nucleoplasmic ratio, 62 



nucleus in heredity, 16, 324, 327 



of Marsih'd. 210 



protoplasm, 34 



protoplasmic connections, 47 



reduction, 220. 222. 236 



Bex-determination, 355, 356, 364 



somatic pairing, 256 



spindle, L80, 181 



spore wall, 19 1 



starch, 106 



tct raploidy, 345 

 Siratiotes (angiosperm), 212 

 Streaming in cell-division, l s; !. 189 

 Strepsinema, 231, 233, 238 

 Strepsitene, 231, 233 



29 



Stroma, 105 



starch, 109 

 Strong, 376 

 Strongyloa ntroi ■ i urchin . 287, 



327 

 Structure and function, 37 I 

 Studnicka, 96 

 Sturgeon, 274 

 Sturtevanl . 371 . 376, 389 

 Styela (ascidian . 329 

 Stypocavlon (brown al ii-.i . 79 

 Suberin, 194 

 Sugars, 106, 135. 136 

 Supernumerary chromosomt >fi jj. 

 Surface tension in cytokinesis, l ss 

 Surirella (diatom), 7'.) 

 Suspensoid, 35 

 Sutton, 158, 160. 228, 245, 251, 252, - 



255 

 Swarczewsky, 2s 1 

 Swarm spores and colony, 1 lo. 331, 334, 



111 

 Swingle. I). B., L86, 187 

 Swingle. W. T., 79, 186 

 Sykes, 256 



Symmetry, 139, 329, 334 



Synapsis. 227. 233, 251 ffi. 



and degeneration, 259 

 nature of union, 256, 384, 394 



Synaptene, 231, 233 



Synaptic mates, relationship, 251 251 



Synchytrium (fungus), 62, l s 7 



Syndiploid nuclei. 259, 260 



Synergids. 299 



Syngamic sex-determination, 357 



Syngamy, 222 



Synizesis, 231, 233, 237, 238, 255 

 in somat ic cells? 259 



Synkaryon, 27s. 282, 292 



Synochocystis (blue-green alga . 205 



T 



T&ckholm, 248, 348 



Tahara, 256 



Tamus (angiosperm I, 17 



Tangl, 16, 17 



Tannin, P'l 



Tapetal cells, 59, 210 



Plasmodium, 194, 196 

 Taraxacum (dandelion . 3 15 

 Tassemenl polaire, 149 

 Taxodium (conifer . 295 



