484 



ZOOLOGY FOR MEDICAL STUDENTS 



", 85 



rkness, 43, 47-49 

 Smallpox, 80 



5, 421 



Social insects, 242, 244 

 >cyte, 162, 394 

 . 41, 85, 191-194 

 Somatic mesoderm, 460 

 Somatopleure, 460 

 . 130 



itheca, 140 

 .at ids, 185 

 Spermatozoon, 42 



-morula, 52, 138 



a-sac, 313 

 Spiculos, no, 124 

 Spiders, 256 

 Spinal nerves, 327, 328 

 Spiracle, 300 



Spiral valve (intestine), 377 

 Spirochaetes, 76-80, 79 

 Spirorbis, 150 

 Spiroschaudinnia, 77 

 Splanchnic mesoderm, 460 

 Splanchnocoele, 307 

 Splanchnopleure, 460 

 Spleen, 326 

 Spongilla, 127 

 Spongine, 126 



, 26 



Sporoblasts, 60 

 Sporocyst, 165, 168 

 Sporogony, 58 

 Sporozoa, 51-67 

 Sporozoites, 55, 60 

 " Staggers," 175 



:>iyi<i, 250 



'', 72, 73 

 Sti.mua, 34, 223 



-43 



Stolon, 95 

 Stomodaeum, 107 

 Stomoxys, 253 

 Stone-canal, 287 

 Streptoneury, 277 

 Stn.bila, 105 



vloides, 207 



dy," 175 



n, 371 

 \chiu, 73 

 Stylorhynchus, 54 

 Subclavian artery, 433, 443 



Suctoi 



rial, 410 



Surra, 



, 438 



Swim-Madder, ^5-358 



, 121 

 Svllidae, 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, 7*, 186, 



187, 190 

 Syphilis, 78 

 Syrinx, 431 

 Systole, 5 



Taenia, 171-177, 172, 176 



Tape- worms, 171-178 



Teeth, 297, 374, 375, 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, 311, 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, 120 

 Tristeza, 64 

 Triton, 403, 408 

 Trochosphere, 151 

 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 



