INDEX. 



Yipera, 499 



Vitellogene, 105 



Viviparous fishes, 444 

 reptiles, 495 

 sea-urchins, 203, 204 

 star-fish, 192, 196 



Vorticella, 39 



Vulture, 548 



WALRUS, 614 



Wapiti, 608 

 Wasp, 364 

 Water-bear, 340 

 Water-flea, 279 

 Watering-pot shell, 230 

 Waxwing, 555 

 Whale, 591 



fishery, 594 



sperm, 593 



bone, 592 



white, 595 



Whale's-tongue worm, 157 

 Whelk, 248 



White ant. 347 

 Worms, 96 



flat, 99 



fluke, 104 



nemertean, 154 



parasitic, 103, 104 



phosphorescent, 175 



round, 121 



strobilation in, 102, 103 



tape, 111 



thread, 121 



trematode, 104 

 Worm, whale's-tongue, 157 

 Wren, 555 



XlPHOSURA, 304 



ZEUGLODON, 595 

 Zoantharia, 79, 91 

 Zoanthus, 79 

 Zoea, 293 



Zoogeography, 16, 658 

 Zooids, 56, 400 



