770 



PROTOZOOLOGY 



Scott, 508 

 Scourfieldia, 220 



complanata, 219, 220 

 Screech owl, 497 

 Scutigera, 449 

 Scyphidia, 685 



constrida, 684, 685 

 Scyphidiidae, 683, 685 

 Scytomonas, 241 



piisilla, 21, 240, 241 

 Secondary nucleus, 37, 38 

 Secretion, 103-106, 158 

 Segregation of factors, 182, 183, 185 

 Selective power of Protozoa, 40 

 Selenidium, 461 



potamillae, 461 

 Selenococcidiidae, 465, 466 

 Selenococcidium, 196, 466 



intermedium., 466 

 Senescence, 166, 167, 168 

 Sensomotor apparatus, 61 

 Sepia elegans, 555 



officinalis, 466 

 Sepiola rondeletii, 555 

 Sericostoma, 453 

 Serinus canaria, 495 

 Sessilia, 683-692 

 Seticephalus, 449 



elegans, 448, 449 

 Sewage organisms, 20 

 Sex factors, 184 



reaction types, 7, 122, 155-156, 

 157, 158, 166, 184, 185, 186 

 substance, 150-151 

 Sex-linked inheritance, 184 

 Sexual fusion, 150-154, 166, 181 

 Sexual reproduction, 149-170 



amphimixis, 150-161 



autogamy, 161, 162-164 



automixis, 161-165 



conjugation, 154-161 



paedogamy, 162, 164-165 



sexual fusion, 150-154 



syngamy, 150-154 

 Shapiro, 89, 90 

 Sharp, 54, 654, 659 

 Sheep, 278, 299, 364, 470, 471, 510, 



605, 655, 657, 658, 659 

 Shell, 39-41, 61, 374, 394-395 

 Shortt, 283 

 Shottenfeld, 97 

 Shumway, 94 

 Sialia s. sialia, 497 

 Sida, 687 

 Siebold, 12, 14 

 Sieboldiellina, 557 



planariarum, 556, 557 

 Siedlecki, 15 

 Silica, 40 

 Silicina, 398 



limitata, 397, 398 

 Silicinidae, 398 

 Silicofiagellidae, 201, 209 



Siliqua patula, 624 

 Silkworm, 537 

 Silpha laevigata, 452 

 thoracica, 452 

 Silver-impregnation method, 57, 727 

 Silver line, 57 

 Silverline system, 57 

 Simulium, 535, 540 



venustum, 502 

 Sinton, 491 

 Sinuolinea, 525 



dimorpha, 524, 525 

 Siphonophora, 285 

 Siphostoma, 528 

 Sipunculoida, 460, 531 

 Sipunculus, 438 

 Size of Protozoa, 33, 545 

 Skeleton, 61, 106, 193, 406, 417, 418, 



419 

 Slavina appendiculata, 478, 541 

 Sleeping sickness, 15, 275, 276 



Gambian, 15, 275 



Rhodesian, 276 

 Slides, 719 

 Slime molds, 335 

 Smear preparations, 722-729 

 Smelt, 539 



Smith, G. M., 223, 226 

 Smith, T., 14, 266 

 Snails, 475, 479 

 Snake, 299, 365, 473 

 Snyder, 355, 358 

 Snyderella, 315 



tobogae, 316 

 Sodium chloride on nucleus, 35 



on Protozoa, 21-22, 

 103-104 

 Soil Protozoa, 9, 24 

 Sokoloff, 171 

 Solanum, 342 

 Solenophrya, 703 



inclusa, 703, 704 



pera, 703, 704 

 Sonderia, 597-598 



pharyngea, 597, 598 



vorax, 597, 598 

 Sonneborn, 7, 123, 129, 130, 154, 157, 



158, 166, 169, 184, 187 

 Sorodiscus, 341 

 Sorophora, 338, 341 

 Sorosphaera, 341 

 Soule, 102 



Spadella hipunctaia, 371 

 inflata, 371 

 serratodentata, 371 

 Sparrow, 279, 475, 495 

 Spasmostoma, 569 



viride, 569, 570 

 Spathidiella, 561 

 Spathidiidae, 560-563 

 Spathidioides, 561 



sulcata, 561 

 Spathidiopsis, 571 



