484 



ZOOLOGY FOR MEDICAL STUDENTS 



Skeleton, 85 



Sleeping-sickness, 43, 47-49 

 Smallpox, 80 

 Snakes, 421 

 Social insects, 242, 244 

 Solenocyte, 162, 394 

 Soma, 41, 85, 191-194 

 Somatic mesoderm, 460 

 Somatopleure, 460 

 Somite, 130 

 Species, 14 

 Spermatheca, 140 

 Spermatids, 185 

 Spermatozoon, 42 

 Sperm-morula, 52, 138 

 Sperm-sac, 313 

 Spicules, no, 124 

 Spiders, 256 

 Spinal nerves, 327, 328 

 Spiracle, 300 



Spiral valve (intestine), 377 

 Spirochaetes, 76-80, 79 

 Spirorbis, 150 

 Spiroschaudinnia, yy 

 Splanchnic mesoderm, 460 

 Splanchnocoele, 307 

 Splanchnopleure, 460 

 Spleen, 326 

 Spongilla, 127 

 Spongine, 126 

 Spore, 26 

 Sporoblasts, 60 

 Sporocyst, 165, 168 

 Sporogony, 58 

 Sporozoa, 51-67 

 Sporozoites, 55, 60 

 " Staggers," 175 

 Stegomyia, 250 

 Stentor, 72, 73 

 Stigma, 34, 223 

 Sting, 243 

 Stolon, 95 

 Stomodaeum, 107 

 Stomoxys, 253 

 Stone-canal, 287 

 Streptoneury, 277 

 Strobila, 105 

 Strongyloides, 207 

 " Sturdy," 175 

 Sturgeon, 371 

 Stylonychia, 73 

 Stylorhynchus, 54 

 Subclavian artery, 433, 443 

 Subgenital pit, 102 

 Suctoria, 74 

 Suprarenal, 410 

 Surra, 46 

 Sweat-glands, 438 

 Swim-bladder, 355-358 

 Sycon, 121 

 Syllidae, 146 



Symbiosis, 32, 92 



Symmetry of the body, 143, 290 



Sympathetic nervous system, 417 



Syncytium, 26, 179 



Syndesis, 183, 189, 195 



Syngamy, 23, 30, 37, 54, 59. /•!, 186, 



187, 190 

 Syphilis, 78 

 Syrinx, 431 

 Systole, 5 



Taenia, 171-177, 172, 176 



Tape-worms, 171-178 



Teeth, 297, 374, 376, 397, 421. 439 



Telosporidia, 63 



Telson, 212, 223 



Temperature in malaria, 59 



Tentacles, 87 



Terebella, 149 



Teredo, 274 



Termites, 242 



Tertian fever, 60 



Testis, 91, 3ri, 368, 377, 378 



Tetrads, 183 



Texas fever, 64 



Theca, 113 



Thymus, 305 



Thyroid, 303, 398 



Ticks, 257 



and disease, 64, 65, 77, 258 

 Tiedemann's bodies, 288 

 Tokophrya, 75 

 Tomopteris, 148 

 Toxin, 58 

 Trachea, 232, 409 

 Trachoma, 80 

 Tractellum, 35 

 Transverse process, 317 

 Treponema, 78 

 Trichina, 197, 198 

 Trichocephalus , 199, 200 

 Trichocysts, 68 

 Trichodina, 74 

 Triradiate spicules, T20 

 Tristeza, 64 

 Triton, 403, 408 

 Trochosphere, i5r 

 Trophoblast, 467 

 Trophozoite, 53 

 " Tropical fever," 60 



ulcer, 51 

 Trypanosoma, 42-49, 43, 45 



species, 46 

 Trypanosome fever, 47 

 Tryptic ferment, 7 

 Tsetse, 46 

 Tube-feet, 282 

 Tubularia, 99, 100 

 Tympanum, 407 

 Typhlosole, 133 



