402 



THE BIOLOGY OF STENTOR 



Chemicals {continued) 



thiocystosine, 133 



thymine, 132 



tyrosine, methyl, 133 



uracil, 132 



urea, 240, 252, 253 

 Chemicals, morphogenetic effects 



of, 254 

 Chimeras, 311 



abnormal differentiation in, 317 



in Acetabularia, 317 



in Amoeba, 319 



coeruleiis X introversus, 313 



coeruleus X multiformis, 314 



coeruleus X niger, 313, 317 



coeruleus X polymorphiis , 278, 

 313, 315 et seq. 



coeruleus X roeseli, 313 



coeruleus X "X", 312 



depigmentation in, 315, 317 



shape reconstitution of, 315 

 Chlorella, 267, 271, 272, 315 



{see symbiosis with green algae) 



digestion of, 12 



in relation to light response, 22 

 Chromosomes, see conjugation 

 Ciha, 56 et seq. 



coordination of, 238 



modifiability of, 38 



in relation to pseudopodia, 38 



sensory, 25 



shedding of, 241 

 Ciliary beating, 56,163,250 



reversal of, 238 et seq. 

 Ciliary coordination, 15,19 

 Ciliary molting, 75 

 Ciliated vacuoles and tubes, 215 



et seq. 

 Clear stripes, 49 et seq. 



structure of, SO et seq. 

 Clones, development of, 344 

 Clumping of macronucleus, 284, 

 294 



{see macronucleus, coalescence 

 of) 



reasons for, 286 



coeruleus (referred to throughout) 



species defined, 335 

 Collecting stentors, 339 

 Colpidium, 48, 206, 266 

 Comparison with other ciliates, see 

 generic names of other ciliates 

 Concentrating stentors, 345 

 Condylostomum, IS, 84, 87, 91, 

 107, 111, 169, 284, 287, 290, 

 338, 376 

 Conjugation, 323 



re induction of, 324 



in coeruleus, 32S et seq. 



in polymorphiis, 329 et seq. 



possibilities of grafting in, 332 



regeneration during, 324 



of three individuals, 325 

 Constriction 



in dividers, 72 



of macronucleus, 72 

 Contractile vacuole, 9 



in enucleates, 301 



origin of, 73 

 Contractile vacuole system, 40 et 



seq. 

 Contractility, 10, 14, 54, 241 



irreversibly damaged, 309 

 Contraction of cell body, 52, 59 

 Control of macronuclear behavior, 



293 et seq. 

 Coordination {see metachronal co- 

 ordination) 



of body cilia, 238 



in forming daughter cells, 74 



in fusion masses, 236 



in membranellar band, 232 et 

 seq. 



in membranelles, 234 et seq. 



micrurgical analysis of, 27, 33 

 Corrugations of pellicle, 6 

 Cortex 



importance of, 42 



structure of, 42 et seq. 

 Cortical pattern, 366, 373, 376 

 Culturing, 342 



ionic media, 345 et seq. 



of polymorphiis, 346 



