948 



INDEX 



Venus's comb, 241 



flower basket, 120, 121 



girdle, 157 

 Vermetus spiratus, 240, 241 

 Vermiform appendix, 878 

 Vermis, 650 



Vertebra of frog, 519, 520 

 Vertebral column, 378 

 cat, 643 

 frog, 520 

 Vertebrata, classification, 410 



digestive system, 382 



subphylum, 362, 375 

 Vertebrate circulatory system, 392 



excretory system, 396 



skeleton, 378 

 Vesalius, 21, 37 

 Vespidae, family, 338 

 Vespula, 338 



pennsylvanica, 333 

 Vestibule, 608 

 Vestigial structures, 878 

 Vibracula, 185 

 Vibracularia, 185 

 Vibrissae, 639 

 Villosities, 476 

 Vinegarroon, 266 

 Virchow, 64 

 Viscachas, 625 

 Viscera, 109 

 Visceral ganglia, 245 



skeleton, fish, 465 

 frog, 519 

 Vitamin D, 390 



K, 390 

 Vitamins and their functions, 388 

 Vitellarium, 190, 191 

 Vitelline cells, 171 



membrane, 115, 532, 819 

 Vitellophages, 807 

 Vitrella, 276 

 Vitrina glacialis, 237 

 Vocal cords, 649 

 Voice of amphibia, 478 



box of frog, 514 

 Voluntary muscle, 524 

 Volvox, a colony, 76, 77 

 Vomerine teeth, 500 

 von Baer, K. E., 23, 43, 284 

 von Mohl, 49 

 Vorticella, 70, 71 

 Vulpes fulva, red fox, 628 

 VuKure, 589 



California, 589 



W 



Walking legs, 270 

 Wallace, Alfred R., 711 

 Walrus, 629 

 Wasps, 266, 331 



solitary, 335 

 Water, 58 



dog, 487 



fiea, 264 



moccasins, 556, 559 



striders, 318 

 Water-vascular system, 230, 231 

 Wattles, 600 



Wave radiations chart, 699 

 Waxwings, 595 



Weevils, 265, 324, 325 

 Welsmann, 47 

 Whale, killer, 634 



sperm, 634 



sulphur-bottom, 634 



toothed, 634 

 Whalebone, 634 

 Wheel animalcules, 188 

 Whipworm, 176 

 White corpuscles, 513 

 Whiteflshes, 448 

 Wild turkey, 795 

 Wildlife conservation, 784 

 Wolff, 798 

 Wolf-snout, 656 

 Wolves, 629 

 Woodchuck, 622 

 Woodcocks, 591 

 Woodpeckers, 594 



downy, 595 



red-headed, 595 

 Worm lizard, 553 



shell, 241 

 Wrens, 595 

 Wuchereria bancrofti, fllaria, 745, 746 



Xantusiidae, family, 554 

 X-chromosome, 831 

 Xenodusa, 340 

 Xerophthalmia, 389 

 Xiphisternum of frog, 521 

 Xiphoid process, 644 

 Xiphosura, order, 266, 295, 299 

 X-rays, 703 

 Xysticus nervosus, 295 



Yellow-jacket, 333 

 Yolk glands, 169, 191 



plug, 535 



sac, 819 



Z 



Zalophus californlanus, sea lion, 629 



Zebra, 633 



Zenaidura macroura, 591 



Zoantharia, subclass, 140 



Zoea. 285 



Zona pellucida, 816 



Zonitoides arboreus, 240 



Zooecium, 184, 187 



Zoogeographical regions of Wallace, 712 



Zoogeography, 20, 24 



Zooid, 135 



Zooids, 184 



Zoology, 19 



history of, 36 



subdivisions of, 19 

 Zophodia grossulariae, 327 

 Zoraptera, order, 333 

 Zorotypus, 333 

 Zygapophyses, 495, 520. 643 

 Zygodactyly, 837 

 Zygonectes notatus, 451 

 Zygoptera, suborder, 321 

 Zygote, 111, 115, 134, 139, 493, 824 

 Zymogen, 383 



( 



