INDEX OF SUBJECTS 



621 



Schizontocyte, 416 

 Schneideria, classification, 431 

 Schwagerina, classification, 356 

 Sciadophora, classification, 431 

 Sclerotium, 327 

 Scopula, 373 

 Scyphidia, Key, 412 

 Scytomonas, Key, 307 



sublilis, copulation, Fig. 208, p. 499 

 Secretions, 186 

 Seizing organ, Diditdum, 153 

 Selection, 573, et seq. 

 Selenidium, classification, 435 

 Seleniidse, characteristics, 435 

 Selenococcidium, classification, 435 

 "Sensing" ata distance, 182 

 Sensitive period, 570 

 Serumsporidium , classification, 459 

 Sex in Protozoa, 494, et seq. 

 Shells and form determination, 31 

 SilicoflageIlida>, characteristics, 263 

 Sinuolinea, classification, 454 

 Skeleton patterns. Fig. 11, p. 33 

 Solenophrya, Key, 413 

 Somatella formation, 237, 286 

 Somatic and germ cells, 282 

 Sparotricha, Key, 410 

 Spathidium, Key, 404 



spathula, conjugation, 556 

 feeding, Fig. 90, p. 181 

 vitality curve, Fig. 200, p. 473 

 Specificity of protoplasm, 165 

 Spharaciinomyxoti , classification, 461 



stoki, Fig. 192, p. 460 

 Sphoerastrum division, Fig. 100, p. 214 



Key, 342 

 Sphcerella, Key, 305 



lamstris, F'ig. 134, p. 280 

 Sphserellaria, characteristics, 344 

 Sphierocystis, classification, 430, 433 

 Spharoica, Key, 309 

 Spha^roidse, characteristics, 344 

 Spharomyxa, classification, 454 



sahrazesi, Fig. 229, p. 548 

 Spha>rophractidse, characteristics, 347 

 Sphcerophrya, Key, 414 

 Spharospora, classification, 454 



dimorphn, budding. Fig. 116, p. 233 

 gem*mules, Fig. 188, p. 450 

 Spha^rosporidff, characteristics, 454 

 Spha-rozoidae, characteristics, 344 

 Sphaleromantis, Key, 299 

 Sphenomonas, Key, 307 

 Spicules, Fig. 67, p. 131 

 Spirillina, classification, 355 

 Spirocha?tida, 250 

 SpirochoNo, Key, 411 

 Spiroclioiiidse, characteristics, 396 

 Sj)iiocysti(he, characteristics, 435 

 Sjilniri/.^lis, classification, 435 

 SpimloiiditKi, classification, 355 

 Spiromonas, Key, 310 

 Spirospora, classification, 459 



Spirostomum, Key, 408 



species. Fig. 30, p. 70 

 Spirotrichonympha, Key, 313 

 Spirotrichonymphella, Key, 313 

 Split pairs, 507 

 S pond ylomor urn , Key, 305 

 Spongomonas, Key, 310 



splendida, Fig. 59, p. 117 

 Spontaneous generation, 54 

 Sporangium, 327 

 Sporoblast, definition, 418 

 Sporocyst, definition, 418 

 Sporoducts, 243, 424 

 Sporophores, 327 

 Sporozoa, taxonomy, 415 

 Sporozoite, 416, 418 

 Sporulation, 236 

 Spyroida^, characteristics, 347 

 St(iun>j<i)iiii, Key, 313 

 StdurnpJiryn, Key, 414 

 Steinella, Key, 402 

 Steininn, classification, 432 

 Stetnonitis, Key, 352 

 Stempellia, classification, 458 



magna, Fig. 190, p. 456 

 Stenophora, classification, 430 

 Stenophorida', characteristics, 430 

 Stentor, Key, 407 



polymorpha, Fig. 74, p. 145 

 Stentorida?, characteristics, 386 

 Stentorin, 53, 367 

 Staphanonympha , Key, 312 



sylvestri, Fig. 141, p. 294 

 Stephanosphsera, Key, 306 

 Stephoidse, characteristics, 347 

 Stercome, 332 

 Stereoplasm, 42 

 Stereoplasmatic axis, 316 

 Sterrofnonas, Key, 310 

 Sticlospora, classification, 431 

 Stichotricha, Key, 410 



secunda. Fig. 173, p. 390 

 Stigmata, 255 

 Slokesiella, Key, 310 

 Strehlomaslix, Key, 311 



strix. Fig. 14, p. 36 

 Slrcptoinonas, Key, 310 

 Strouibidiuin, Key, 409 

 Slrongylidium, Key, 410 



sp., Fig. 175, p. 392 

 Strongyloplasmata, 463 

 Structural differentiations, 126 

 Stylohryon, Key, 310 

 Stylocephalida^, characteristics, 432 

 Stylocephalus, classification, 432 

 Sh/Iorhri/mlis, Key, 299 

 Stijloaiccus, Key, 301 

 StiildconiiUs, Key, 414 

 Sti/liici/si/s, classification, 432 

 Slylodiiiiinn, Key, 304 

 Stylonychia, Key, 410 



mytilis, Fig. 4, p. 22 



