4o6 



THE BIOLOGY OF STENTOR 



Hypotheses 



of morphogenesis, 366 



of reorganization, 96 et seq. 



Ichthyophthirius, 225, 373 

 igneus, 46, 49, 52, 267, 269, 271, 



272, 281, 301, 323, 336 

 In situ formation of membranelles, 



67, 127 et seq. 

 Individuality, 89, 208, 379 

 Induced 



division, 82 



reorganization, 116, 135, 149 

 resorption of primordium, 135, 

 137 

 Induction 



of holdfast, 203 



of mouthparts, 173, 174 e^ seq., 



215 

 of primordium sites in Ble- 

 pharisma, 364 

 Inhibition 



of division, see division 



of new holdfast by old, 110 



of oral primordium, 119, 144 



et seq. 

 of regeneration, 13\ et seq. 

 of regeneration by cold, 117 

 Injections, 353 

 Injury 



causing primordium resorption, 



145 

 not inducing regeneration, 115 



et seq. 

 not inducing reorganization, 

 99, 100 

 Interpenetration of striping, 229, 



230 

 introversus, 46, 52, 59, 313, 314, 



336, 344 

 Island primordium formation, 169 



Joining of striping, 227 



Kinetodesma, 50 

 connectives, 50 



Kinetosomes, 50, 57, 67, 130, 

 132, 138, 159, 160, 161, 218, 

 365, 367 et seq., 376 



" Kinety, stomatogenic", 160, 161 



km bands, 50 et seq. 



Learning, 20 et seq., 24 

 Leucophrys, 208 

 Light, in culturing, 346 

 Light response 



dark adaptation, 23 



location of sensitivity, 23 



racial variation in, 22 



in relation to wave length, 23 

 Location of macronucleus, 281 

 et seq. 



in relation to stripe pattern, 284 



variations in, 282 

 Loci of stripe width contrast, 6, 

 179 et seq. 



absence of, 189 



competition between, 190 



exceptions to induction of pri- 

 mordia by, 191 



explanatory value of, 194 



formation and obliteration, 190 



in mincerates, 223 



minor, 188 et seq. 

 loricata, 335 

 Loxodes, 286 



M-bands, 53 et seq. 

 Macronuclear behavior 



control of, 293 et seq. 



determined by cell states, 143 

 Macronuclear chain, regeneration 



of, 102, 290, 291 

 Macronuclear division 



autonomous, 72 



dependent, 74 



in regeneration, 113 

 Macronuclear extrusions, 310 

 Macronuclear functions 



(see nucleo-cytoplasmic inter- 

 actions) 



in differentiation, 297 



lag effects, 297 



