

INDEX 



Rate functions, 343 

 Rawson, D. S., 103, 122 

 Ray, C, Jr., 268, 322 

 Ray, J., 7, 15, 21, 41 

 Recognition of species, 105 

 Recombination, 23-37, 202 



amount of, 33 



in man, 34 



systems, 33, 36 

 Redi, F., 3 



Regan, C. T., 127, 153 

 Regulation, 342 

 Rensch, R., 17, 21 

 Reproduction 



asexual, 36, 56, 61, 70, 202 



sexual, 203 



uniparental, 88 

 Rhizomys, 134 

 Rhizopods, 286 

 Robinet, C, 3 

 Rotifers, 104 



bdelloid, 382 

 Rowe, A. W., 147, 153 



Sagebrush, 55 

 Salmonidae, 110 

 Schopenhauer, A., 3, 21 

 Self-pollination, 56 

 Semispecies, 68, 379 

 Senility 



of Paramecium aurelia, 193 

 Serotypes, 180, 359 

 Sexual dimorphism, 373 

 Sexuality 



loss of, 281 

 Sibley, C. C, 68, 80 

 Sibling species, 13, 54, 57, 69, 291, 



293, 348, 359, 376, 384 

 Sicgel, R. W., 179, 191, 234, 277 (1., 



322 

 Simpson, G. C, 14, 15, 17, 21, 125, 



127, 134, 153, 383 

 Sirks, M. T-, 3, 22 

 Sonneborn, T. M., 251, 322, 323 

 Spallanzani, L., 3 

 Spathidium spathula, 292 

 Speciation, 69, 256, 346, 37"). 385 



allopatric, 49, 326, 344 



in asexual organisms, 286 



ecotypic, 387 

 Species 



boundaries of, 150 



genetic structure of, 386 



multidimensional, 375 



nondimensional, 131 



secondary, 60 



successional, 131, 147 ff. 



typological, 127 

 Spencer, H., 292, 324 

 Spjeldnaes, N., 140-141, 153 

 Spontaneous generation, 2 

 Spooner, G. M., 351, 368 

 Stebbins, G. L., Jr., 36, 38, 72, 80 

 Stenzel, H. R., 145, 153 

 Sterility, 72 

 Strains 



amicronucleate, 263 



killer, 179, 234 

 Stresemann, E., 17, 22 

 Stress, 340 

 Stropliodonta, 141 

 Stylonycliia putrina, 211 

 Superspecies, 50, 67 

 Survival, 340 



Svardson, G., 111-120, 122, 123 

 Sylvester-Rradley, P. C., 125, 129, 



153, 374, 384 

 Sympatry, 49 

 Synclone, 223 



Syngameon, 64, 66, 67, 71, 76 

 Syngen, 201, 289, 295 



asexual, 290 

 Systematics 



comparative, 372 



Temperature, 97, 352 



adaptations to, 328 



tolerance, 175, 356 

 Tetrahymena pyriformis, 256-271 



breeding systems, 267 



characteristics, 258 



life cycle, 261 



mating types, 259 



varieties, 257 

 Tetrahymena rostrata, 270 

 Thais emarginata, 354 



