Spinal cord, 131, 290, 291, 298, 311, 325 development of, 298 Spinal ganglion, development of, 299, 311, 312, 314, 331 Spinal nerves, 138 Splanchnopleure, 279 Stenosauria, 1 Sternum, 77, 80 Stomach, 152, 153 development of, 305, 326 glands of, 177, 179 histology of, 174 transsection of (fig.), 176 Stomodæum, 317, 322 Stratum corneum, 48 Supratemporal fossa, 57 Sympathetic nerves, 314, 325, 337 Systemic arch, 203 Tail, 317, 318, 329 Tailfold, 274 Tapetum lucidum, 146 Tarsus, 88 Taste papillæ, 165 Tear dots, 145 Teeth, 47, 64 Teleosauria, 1 Temperature range in swamps, 23 Tendon Achilles, 126, 127 Testes, 194 Thoracic ribs, 78 Thyroid gland, development of, 78, 269 Tomistoma schlegeli, 2 skeleton of, 51 Tongue, 150 covering of (fig.), 160, 161 development of, 333 epithelium of, 161 glands of, 160, 162, 163, 164 histology of, 157 papillæ of, 160, 165 Tooth, development of, 333 socket of, 64 structure of, 65 Torsion of body, 274, 336 Trachea, 197 development of, 324, 330 rings of, 198, 199 Trigeminal foramen, 78 Tuberculum of rib, 78 Tympanic cavity, 70, 73, 148, 149 Umbilical stalk, 300, 308, 317, 318, 333, 334 Ureter, 156, 193 development of, 290 Urogenital organs, 192, 196 Valves of outer ear, 148 Vasa deferentia, 156 Vascular system, 201 lettering for, 224 Veins, of anterior region (fig.), 209 anterior vena cava, 208 axillary, 210 brachial, 210 caudal, 207 coronary, 202 external jugular, 211 femoral, 206 hepatic, 202, 205 hepatic portal, 205 iliac, 206 inferior dental, 211 internal epigastric, 206 internal jugular, 208 internal mammary, 208 ischiadic, 207 lingual, 211 mesenteric, 205 muscular, 211 pancreatic, 205 of pes, 207 postbrachial, 210 postcaval, 202, 204 of posterior region, 204 precaval, 202, 208 pulmonary, 203 radial, 211 rectal, 207 renal portal, 207 subclavian, 210 subscapular, 210 superior dental, 211 thoracic, 210 vertebral, 208 Velum palatinum, 151 Venous system, 204 Ventricle, 203 Vertebræ, cervical, 51, 52 caudal, 57 lumbar, 56 sacral, 56 Vertebral column, 50 Vertebrarterial canal, 78 Vitelline blood-vessels, 267, 283 Vitelline veins, 270 Vitreous humor, 332 Vocal cords, 197 Voeltzkow, A., 228, 230, 231, 232, 334 Voice of alligator, 18 before hatching, 25 Warts, 49 Wolffian body, 289, 299, 304, 305, 307, 314, 316, 326, 331, 336 ducts, 280, 281, 289, 299, 314, 316 ridge, 299, 306, 314 tubules, 306, 313, 331 Xiphisternal horns, 81 Yolk of egg, 230 Transcriber’s Notes