INDEX 



339 



urogenital: see Vestibule, genital 



Sinus venosus: dogfish, 6; perch, 49; 

 Necturus, 67 ; frog, 98 ; turtle, 135 



Skate, 1 



Skeletal system: dogfish, 25; perch, 

 53; Necturus, 80; frog, 120; tur- 

 tle, 143; pigeon, 195; cat, 259; 

 rabbit, 316 



Skin: dogfish, 26; perch, 53; Nectu- 

 rus, 63; frog, 91; turtle, 132; 

 pigeon, 165 



Skull: dogfish, 27; perch, 55; Nectu- 

 rus, 84; frog, 135; turtle, 146; 

 pigeon, 200; cat, 265; rabbit, 322 



Small intestine: perch, 40; Necturus, 

 68; frog, 96; turtle, 138; pigeon, 

 171; cat, 214; rabbit, 278 



Smooth dogfish, 1 



Soft palate: cat, 235; rabbit, 296 



Special-sense capsules: dogfish, 28; 

 perch, 59; Necturus, 89; frog, 127; 

 turtle, 146; pigeon, 214; cat, 266; 

 rabbit, 323 



Special sense organs: dogfish, 12; 

 perch, 41 ; Necturus, 71 ; frog, 103 ; 

 turtle, 142; pigeon, 183, 186; cat, 

 242 ; rabbit, 301 



Spermatic cord: cat, 221 



Spinal column: dogfish, 25, 27; perch, 

 54, 55; Necturus, 89; frog, 124; 

 turtle, 144; pigeon, 197; cat, 262; 

 rabbit, 320 



Spinal cord: frog, 106; turtle, 141; 

 pigeon, 181; cat, 256; rabbit, 312 



Spiny dogfish, 1 



Spiracle: dogfish, 2, 7 



Spleen: dogfish, 5; perch, 37; Nectu- 

 rus, 67; frog, 97; turtle, 139; 

 pigeon, 171; cat, 213; rabbit, 277 



Splenium: cat, 263 



Squalus acanthias, 1 



Sternum: Necturus, 81; frog, 121; 

 pigeon, 199; cat, 264; rabbit, 321 



Stomach: dogfish, 5, 9; perch, 39; 

 Necturus, 68; frog, 96; turtle, 138; 

 pigeon, 170, 171; cat, 213; rabbit, 

 277 



Superior umbilicus: pigeon, 193 



Supracleithrum: perch, 62 



Supra-orbital ridge: cat, 265; rabbit, 

 322 



Suprarenal body: see Adrenal body 



Supraspinous fossa: cat, 260; rabbit, 



317 

 Suspensorium: dogfish, 30; perch, 57; 

 Necturus, 88; frog, 129; pigeon, 202 



Sympathetic nervous system: dogfish, 

 12; perch, 41; Necturus, 71; frog, 

 105; turtle, 141; pigeon, 181, 182; 

 cat, 241 ; rabbit, 299 



Symphysis pubis: cat, 261; rabbit, 318 



Synsacrum: pigeon, 199 



Syrinx: pigeon, 180 



Table of frogs, 91 



Table of turtles, 130 



Tail: dogfish, 2; perch, 35; Necturus, 



64; turtle, 132; pigeon, 164; cat, 



209; rabbit, 274 

 Tailless amphibian, 91 

 Tapetumlucidum: dogfish, 14; cat, 245 

 Tarso-metatarsus: pigeon, J97 

 Tarsus: Necturus, 84; frog, 124; turtle, 



151; cat, 262; rabbit, 319 

 Teeth: dogfish, 3, 8, 25; perch, 38; 



Necturus, 85; frog, 94; cat, 207, 



234, 266; rabbit, 272, 295 

 Teleost fish, 33 

 Temporal fossa: turtle, 147; cat, 265; 



rabbit, 322 

 Tendon of Achilles: frog, 120 

 Tentorium: cat, 269; rabbit, 327 

 Testes: dogfish, 5, 10; perch, 40; 



Necturus, 70 ; frog, 102 ; turtle, 



140; pigeon, 172; cat, 220; rabbit, 



283 

 Thoracic cavity: cat, 211, 226; rabbit, 



289 

 Thorax: pigeon, 163; cat, 208; rabbit, 



273 



Tibia: Necturus, 83; turtle, 151; 

 pigeon, 197; cat, 262; rabbit, 319 



Tibiofibula: frog, 124 



Tibiotarsus: pigeon, 197 



Toad, 91 



Tongue: dogfish, 8; perch, 39; Nec- 

 turus, 66; frog, 93; turtle, 133; 

 pigeon, 166; cat, 235; rabbit, 

 296 



Tonsils: cat, 235; rabbit, 296 



Torus: perch, 47 



Trachea: turtle, 139; pigeon, 179; cat, 

 211, 236; rabbit, 297 



Truncus arteriosus: Necturus, 67 



Trunk: dogfish, 2; perch, 35; Nectu- 

 rus, 64; frog, 92; turtle, 132; 

 pigeon, 163; cat, 208; rabbit, 273 



Tuberculum: pigeon, 199; cat, 264; 

 rabbit, 321 



Turbinals: pigeon, 183; cat, 236; rab- 

 bit, 297 



Turtle, 130 



