7o6 



[NDEX. 



Vitrea (Sponges), 73. 



r/ren-a, til-'. 



Viverridcv, 612. 



Vole, 621. 



Valuta, 339. 



Volutidte, 335, 339. 



Vorticdla, 77 ; structure of, 79 ; repro- 



duction of, 80, 81. 

 Vortidava, 93. 

 Vulpes, 613. 



530. 



WAH, 609. 



Waldheimia, 316. 



Walrus, 6u6, 607. 



Warblers, 526. 



Wasps, 238. 



Water-hen, 508. 



Water- vascular system, of Annuloida, 

 154 ; of Echinoidea, 160 ; of Asteroidea, 

 165 ; of Ophturoidea, 169 ; of Crinoidea, 

 170 ; of Holothuroidea, 177, 179 ; of 

 Scoledda, 184 ; of Taniada, 185 ; of 

 Trematoda, 189 ; of Turbeltaria, 11; 

 of Acanthocephala, 194 ; of Nematoda, 

 196 ; of Eotifera, -200. 



Weasel, 611. 



Wefoferia, 152. 



Whalebone Whales, 515, 573. 



Whales, 53S, 539, 541, 545, 540, 572, 573. 



576, 644. 

 Wolf, 613. 

 Wolverine, 610. 

 Wombat, 559. 

 Wood-pecker, 519. 

 Wrasse, 411. 

 Wry-neck, 519. 



sYanthidia, 75. 



Jrtphosura, characters of, 240 ; distribu- 



tion of, in time, 258. 

 Xylobius, 267. 

 ' 



ZEBRA, 585. 



Zeuglodon, 580, 644. 



Zeuglodontidce, 580, 644. 



ZipUus, 644. 



Zoantharia, 127 ; Malacodermata, 127, 



141, 147 ; Sclerobasica, 130, 133, 15:2 ; 



Sderodermata, 134, 135, 142 152. 

 Zoanthidce, 130. 

 Zoanthus, 130. 

 Zoea, 237, 245, 246, 249, 251. 

 Zonites, 359. 

 Zooid, 90. 



Zoology, definition of, 1. 

 Zootoca, 464. 



i'RINTED BY BALI.ANTYNE AND COMTANY 

 EDINBURGH AND LONDON 



