INDEX 



713 



Ursus Jerox, 530 

 Use-inheritance, 640 

 Uterine crypts, 462, 576* 

 Uterus See Urinogenital organs 

 Uterus masculinus, 459, 460* 

 Utriculus, 111*, 112 



AGINA, of Elasmobranchii, 175 : 

 Rabbit, 460, 461 : Mammalia, 565, 

 567 



Vagus ganglion, 102 



Vagus nerve, 102* 



Valve of Thebesius, 449* 



Valve of Vieussens, 457, 458* 



Vampire Bats, 581 



Vane, 369 



Varanus, 350 



Variation, 630, 631* 



Vasa efferentia, 119, 120* 



Vascular system, of Balanoglossus, 4, 

 6 : Ascidia, 17, IN, 19 : Urochorda, 

 28 : Amphioxus, 49, 50 : Craniata, 

 88-95 : Lamprey, 125, 126 : Dog- 

 fish, 150, 151, 152, 153: Elasmo- 

 branchii, 173 : Holocephali, 187 : 

 Trout, 204, 205 : Teleostomi, 231 : 

 Ceratodus, 244, 245 : Frog, 270-275 : 

 Amphibia, 296, 297, 298 : Lizard, 

 314, 315, 316 : Reptilia, 347, 348, 

 349 : Pigeon, 388, 389, 390, 391 : 

 Birds, 421 : Rabbit, 448-452 :. Mam- 

 malia, 557 



Vaso -dentine, 84* 



Vaso -ganglion, 228* See Reel-glands 



Veins, Amphioxus, 49 : Craniata, 90 

 See Vascular system 



Velar tentacles, Amphioxus, 46, 47 



Velum, Amphioxus, 46, 47 : Petro- 

 myzon, 124, 125 



\Yluminterpositum, 457* 



Velum transversum, 319, 320* 



" Velvet," 487* 



Venomous snakes, 356 



Ventral aorta, Amphioxus, 49 : Crani- 

 ata, 88, 89 : Dogfish, 150, 151 



Ventral fissure, 95, 96* 



Ventral root of spinal nerve, 95, 96* 



Ventral shield, of Pteraspis, 254 : 

 Snakes, 331 



Ventricle, 88, 89 See Heart 



Ventricles See Brain, 97 



Vermiform appendix, 448 



Vermis, of cerebellum, 458* 



Vertebra, 72* 



Vertebral column, 2* : Euchorda, 42 : 

 Craniata, 70, 71, 72 : Petromyzon, 

 121, 122 : Myxinoids, 136 : Dog- 

 fish, 142, 143, 144 : Elasmobranchii, 



167. 169 : Holocephali, 184, 185 : 

 Trout, 195, 196 : Teloostomi, 222 : 

 Ceratodus, 241 : Frog, 258, 259 : 

 Amphibia, 289, 290 : Lizard, 305, 

 306: Reptilia, 332, 333, 334: 

 Pigeon, 373, 374, 375: Birds 

 (Neornithes), 411 : Rabbit, 434, 

 435 : Mammalia, 494 : Prototheria, 

 503 : Metatheria, 506 : Edentata, 

 508 : Cetacea, 514, 515 : Sirenia, 

 518 : Ungulata, 519, 520, 521 : Car- 

 nivora, 528 : Rodentia, 531 : In- 

 sectivora, 532 : Chiroptera, 534 : 

 Primates, 535 



Vertebral formula, 375 



Vertebral plate, 117*, 179, 426 



Vertebral rib See Rib 



Vertebral theory of skull, 659, 660 



Vertebrarterial canal, 434 



Vertebrarterial foramen, 373*, 374 



Vertebrata, 43* 



Vesalius, 648 



Vesicles of Savi, 174* 



Vespertilio, 471 



Vestibule, of Amphioxus, 44* : Rabbit, 

 459, 461* 



Vexillum See Feather, 369 



Vibrissje, 433, 476 



Vicq d'Azyr, 653 



Villi, of embryo Mammals, 574, 576 



Vipers, 324, 345 



Virginian opossum, 480 



Visceral arch, visceral bar, visceral 

 skeleton Craniata, 69, 74, 75* 



Visceral motor fibres, 113* 



Visceral sensory fibres, 113* 



Viscero -branchial vessel, 19 



Vitelline membrane, 55 



Vitreous chamber, 106, 108* 



Vitreous humour, 106, 108* 



Viverra, 620 



ViverridcB, 470, 580 



Viviparous Blenny, 234 



Vocal chords, 269 



Vocal sacs, 258, 300 



Voles, 609 



Vomer, 77, 78* See Skull 



Vomerine teeth Holocephali, 186*, 

 187 : Trout, 204 : Urodela, 291 



Vomero -palatine, 291, 292 



Vultur, 403, 412 



Vultures, 403, 412 



Vulva of Rabbit, 433, 461 



W 



W 



ALLABY, 478, 507 

 Wallace, A. R., 662, 663, 667 

 Wallace's line, 610 

 Walruses, 470, 491, 552, 580 



