486 



INDEX. 



Sphincters, 16, 17, 197 



Spiders, 443 



Spinal cord, 96, 150, 184, 202, 225, 



274 

 nerves, 96, 99, 150, 184, 202, 



274 

 Spindle, Nuclear, 44 



,, , Striated, 322 

 Spiracle, 168, 174 

 Splanchnic mesoblast, 226 



,, muscles, 86 

 Spleen, 33, 154, 190 

 Splitting of nresoblast, 234, 259, 345 

 Spongioplasm, 43 

 Sporocyst, 360 

 Sporogony, 419, 426 

 Sporozoa, 412, 430 

 Sporozoite, 414, 415, 426 

 Squamata, 451 

 Squamosal, 80, 161 

 Staggers, 375 

 Stapes, 82, 114, 165 

 Starch, 13, 14, 381 

 Statocyst, 392 

 Steapsin, 17 

 Sternebrac, 68 

 Sternum of crayfish, 303 



' ,, frog, 148 



,, ,, rabbit, 68 

 Stigma, 407 

 Stimuli, 91 



Stomach, 15, 140, 174, 329 

 Stomodteum, 226, 236, 267, 309, 345 

 Stratum corneum, 50 



j, mucosum, 50 

 Striated spindle, 319 

 Stylo-hyal, 82 

 Sub-germinal cavity, 249 



,, -order, 132 

 Suckers, 239 

 Suctoria, 432 

 Sugar, 13 



Sun the source of energy, 10 

 Supine position, 73 

 Supra-branchial chamber, 328 

 Supra-occipital, 80 

 Sweat-glands, 60 

 Swimmerets, 304 

 Symbiosis, 382 

 Symmetry, Bilateral, 65 

 Sympathetic system, 98, 153 

 Symphysis, 76 

 Synangium, 143, 176 



Systemic heart, 331 

 Systole, 29, 312 



rflADPOLE, 238 



1 Taenia, 439 

 Taenia serrata, 375 



,, solium, 366-375 

 Taeniarhynchus saginata, 3/4 

 Tail, 1, 121, 137, 169, 242 

 Tail-fold, 258 

 Tape-worm, 366-375 

 Tarsus, 77, 150 

 Taste, 112 



Teeth, 14, 56, 80, 81, 139, 170, 265 

 Teleostomi, 449 

 Telolecithal, 226 

 Telson, 303 

 Tendon of crayfish, 307 



,, ,, vertebrata, 52 

 Tentacles, 376 

 Tergum, 303 



Testis, 122, 156, 188, 320, 333, 313 

 Tetrads, 214 



Thalamencephalon, 101, 152, 185 

 Thoracic duct, 27 

 ,, vertebra?, 66 



Thorax of rabbit, 3 



Thymus, 33, 154, 190, 208, 266 



Thyro-hyal, 82, 163 



Thyroid, 32, 154, 190, 207, 266 



Thyroid gland, 294 



Tibia, 76, 150 



Tissue-complexes, 59 



Tissues, 11, 45, 47 



Toads, 158 



Tongue, 14, 139, 174 

 ,, -bars, 201 



Trabecula?, 159 



Trachea, 35, 266 



Transverse process, 66, 147, ISO 



Trematoda, 363, 437 



Trichocysts, 400 



Tricladida, 436 



Trophozoite, 415, 425 



Truncus arteriosus, 142, 175 



Trypsin, 17 



Tuberculum, 66 



Tubules, Uriniferous, 64, 146 



Tunicata, 208 



Turbellaria, 436 



Turbinals, 81, 112 



Tympanic bulla, 80 



,, membrane, 114, 154 



