95S 



PROTOZOOLOGY 



Sewage organisms, 23 

 Sex factors, 233 



reaction types, 192-197 



substance, 181, 196, 197, 235 

 Sex-linked inheritance, 233 

 Sexual fusion, 180-187, 599, 601, 685 

 Sexual reproduction, 29 



amphimixis, 203 



autogamy, 203-204 



automyxis, 203 



conjugation, 187-203 



Cytogamy, 204 



paedogamy, 204-205 



sexual fusion, 180-187, 599, 601, 

 606-607 



syngamy, 180-187 

 Sheep, 350, 375, 457, 577, 578, 625, 

 640, 751, 817, 818, 819, 820, 821, 

 822 

 Shell, 10, 47-48, 70, 472 

 Sialia s. sialia, 617 

 Sieboldiellina, 695 



planariarum, 695-696 

 Silica, 47-48, 493 

 Silicina, 497 



limitata, 497 

 Silicinidae, 497 

 Silicofiagellidae, 257, 267 

 Silkworm, 10, 14, 670, 671 

 Silpha laevigata, 555 

 thoracica, 554 

 Silver-impregnation method, 66 

 Silver line, 66, 67 

 Silverline system, 66, 67, 68 

 Simulium, 668 



parnassum, 622 



venustum, 620 

 Sinuolinea, 654 



dimorpha, 652, 654 

 Siphonophora, 321, 357 

 Siphostoma, 656 

 Sipunculoida, 661 

 Sipunculus, 538 



nudus, 539 

 Size difference, 109-110, 111 

 Skeleton, 47-48, 417, 517 

 Skink, 618 

 Skunk, 579 



Slavina appendiculata, 590, 676 

 Sleeping sickness, 15, 30 



Gambian, 30, 347 



Rhodesian, 348 

 Slides, microscopic, 890 

 Slime molds, 427 

 Slugs, 388, 747, 760 

 Smear preparations, 894-901 

 Smelt, 668 

 Snails, 357, 588, 590 

 Snake, 351, 377, 458-459, 584 

 Snyderella, 397 



tabogae, 896, 397 

 Sodium chloride on nucleus, 42 



Protozoa, 24-25 



Soil Protozoa, 9, 28, 423, 443, 472 

 Solanum, 434 

 Solea vulgaris, 591 

 Solenophrya, 873 



inclusa, 872, 873 



pera, 872, 873 

 Solutions, 



Chalkley's, 882 



Hahnert's, 882-883 



Locke's, 887 



Lugol's, 892 



Pace and Belda's, 883 



Ringer's, 887-888, 891 



Saline, 892 

 Sonderia, 741-742 



pharyngea, 741, 742 



vorax, 741, 742 

 Sorodiscus, 434 

 Sorophora, 430, 433 

 Sorosphaera, 434 

 Spadella bipunctata, 466 

 inflata, 466 

 serratodentata, 466 

 Sparrow, 351, 586, 615 

 Spasmostoma, 710 



viride,^ 710, 711 

 Spathidiella, 701 

 Spathidiidae, 700-703 

 Spathidioides, 701 



sulcata, 701-702 

 Spathidiopsis, 713 

 Spathidium, 700 



spathula, 72, 700, 701 

 Spermatozopsis, 283 



exultans, 282, 283 

 Sphaenochloris, 280 



printzi, 280 

 Sphaeractinomyxon, 661-662 



gigas, 662, 663 



stolci, 662 

 Sphaerastrum, 510 



fockei, 509, 510 

 Sphaerella, 277 

 Sphaerellopsis, 277 



fluviatilis, 277 

 Sphaerium, 769 



corneum, 693, 783, 784 



rivicola, 783 

 Sphaerita, 45, 893 

 Sphaerocapsa, 520 

 Sphaerocapsidae, 520 

 Sphaerocystis, 548 



simplex, 548 

 Sphaeroeca, 341 



volvox, 840, 341 

 Sphaeroidae, 521 

 Sphaeromyxa, 656 



balbianii, 172, 656, 657 



sabrazesi, 187, 645-648, 656-657 

 Sphaerophrya, 868 



magna, 868 



soliformis, 868, 869 



stentoris, 868 





