INDEX 



329 



Vacuole, contractile, 4, 8 ; food, 4, 8 ; non- 

 contractile, 28, 30 

 Vagina, 50, 52, 70, 120, 290 

 Valves of heart, 212 ; pocket, 212 

 Vane or vexillum, 236 

 Vascular system. See Blood system 

 Vas deferens, 42, 44, 50, 60, 70, 72, 104, 106, 

 118, 120, 162, 216, 218, 242, 250, 288, 290 



Vas efferens, 50, 214 



Vein, abdominal, 192, 206, 208 ; azygos, 284 ; 

 brachial, 192, 202, 246 ; caudal, 154, 242, 246 ; 

 coccygeo-mesenteric, 242, 244, 246 ; cutane- 

 ous, 192, 202 ; dorso -lumbar, 206 ; duodenal, 

 270, 274, 276; epigastric, 242, 244, 246; 

 facial, anterior and posterior, 278, 284 ; 

 femoral, 204, 242, 246 ; gastro-duodenal, 246 ; 

 hepatic, 146, 150, 204, 242, 246, 284; hepatic 

 portal, 158, 192, 242, 244, 246 ; hypogastric. 

 See Renal-portal ; iliac, 242, 246, 284, 286 ; 

 ilio-lumbar, 284 ; innominate, 202 ; inter- 

 costal, 284; jugular, 202, 246, 278, 284; 

 lieno-gastrio, 270, 274, 276 ; lingual, 202 ; 

 mandibular, 202 ; mesenteric, 244, 246, 270, 

 272, 274, 276 ; muscular, 192, 202 ; musculo- 

 cutaneous, 192, 202 ; ovarian, 284 ; pectoral, 

 238, 246 ; pelvic, 206 ; phrenic, 284 ; portal, 

 158, 244, 270, 272, 276 ; postcaval (inferior 

 vena cava), 202, 204, 242, 244, 246, 270, 284, 

 286 ; preoaval (superior vena cava), 202, 246, 

 270, 282, 284 ; pulmonary, 114, 116, 212, 246, 

 284 ; ramus coramunicans iliacus, 204 ; 

 rectal, 208 ; renal, 204, 284 ; renal-portal, 206, 

 242, 246 ; sciatic, 204, 206, 242, 246 ; sper- 

 matic, J84 ; subclavian, 192, 202, 284 ; sub- 

 intestinal, 146, 150 ; subscapular, 202 ; vena 

 cava, inferior. See Postcaval ; superior. See 

 Preoaval 



Velum, 144 



Vena cava, 1^8. See also Vein 



Venous system : Dogfish, 158, 166, 168 ; skate, 

 158, 166, 170 ; frog and Xenopus, 192, 202, 

 204, 206 ; pigeon, 246, 248 ; rabbit, 272, 274, 

 276, 278, 280, 282, 284, 288 



Ventricle of brain, third, 176, 228 ; fourth, 178, 

 228 



Ventricle of heart, 116, 134, 136, 166, 170, 202, 

 212, 246, 282 



Vermiform appendix, 270, 272 



Vertebra, amphiccelous, 222 ; heterocoelous, 

 258 ; opisthocoelous, 220 ; procoelous, 220 



Vertebrse, caudal, 260, 302, 304 ; cervical, 

 256, 258, 298, 300, 314 ; lumbar, 260, 302 ; 

 sacral, 260, 302 ; thoracic, 260, 300, 302 



Vertebral column, 220, 222, 256, 260, 298 ; plate, 

 166 



Vertebra-arterial canal, 258, 298 



Vertebrata or chordata, 316 



Vesicula seminalis, 12, 42, 50, 60, 62, 70, 162, 



218, 250 

 Vessel. See Blood-vessel, artery and vein 

 Vestibule or urino-genital canal, 290 

 Vexillum or vane, 236 

 Vibrissa, 266 



Viscera, thoracic and abdominal, 268 

 Visceral arches, 176 ; clefts. See GUI-slits ; 



hump, 114 ; mass, 134 ; skeleton, 144, 176 

 Vitellarian or yolk-duct, 40, 44 

 Vitelline or yolk-gland, 44, 50 

 Vomer, 226, 294 

 Vulva, 266, 290 



W 



Watbb-tubes, 132 



Wharton's duct, 278 



Wheel organ, 144 



Wing, 74 



Wing covers or tegmina. See Elytra 



Wolffian body. See Mesonephros 



Wolffian or mesonephric duct, 162 



Worms, 316 



Wrist. See Carpus 



X 



Xenopus (Platana or Clawed Toad), 188-234 ; 

 external features, 188 ; mouth cavity, 190 ; 

 muscular system, 190, 192, 198, 200 ; skeletal 

 system, 194 ; girdles and limbs, 218, 220 ; 

 vertebral column, 220, 222 ; skull, 222, 224, 

 226 ; alimentary system, 194, 196, 212 ; 

 venous system, 192, 202, 204, 206 ; arterial 

 system, 210 ; heart, 212 ; nervous system, 

 202 ; brain, 226 ; spinal nerves, 228, 230 

 sympathetic, 230, 232 ; cranial nerves, 232 

 respiratory system, 212 ; urino-genital system 

 214, 216; 316 



Xiphistemtun, 194, 304 



Xiphoid processes, 240 



Yellow cells, 56, 60, 62 

 Yolk or vitellarian duct, 40, 50 

 Yolk or vitelline gland, 44, 50 



Zygapophysis, 220, 300, 302 

 Zygomatic airch, 266, 296 

 Zygomatic process, 262, 296 

 Zygote, 10, 12 



