7-23 



INDEX. 



Vipera, 499 



Vitellogene, 147 



Viviparous fishes, 444 

 reptiles, 495 

 sea-urcliins, 131, 122 

 starfisli, 110, 114 



Vorticella, 89 



Vulture, 548 



Walrus, 614 

 Wapiti, 608 

 Wasp, 364 

 Water-bear, 340 

 Water-flea, 379 

 Watering-pot sliell, 230 

 Waxwing, 555 

 Whale, 591 



flskery, 594 



sperm, 593 



bone, 592 



white, 595 

 Whale's-tongue worm, 199 

 Whelk, 248 



White ant, 347 

 Worms, 138 



flat, 141 



fluke, 146 



nemerteau, 196 



parasitic, 145, 146 



phosphorescent, 317 



round, 163 



strobilation Id, 144, 145 



tape, 153 



thread, 163 



trematode, 146 

 Worm, whale's-tongue, 199 

 Wren, 555 



XiPHOSXIRA, 304 



Zettglodon, 595 

 Zoantharia, 79, 91 

 Zoanthus, 79 

 Zoea, 293 



Zoogeography, 16, 658 

 Zo5ids, 202, 210 



