290 



INDEX. 



Trunk-fish, 165 

 Tunicata, 140 

 Turtles, 191 



UNGULATA, 238, 251 

 Ur, 257 



Urodela, 171 



Urocyon Virginianus, 261 



Ursus Americanus arctos, 260 



maritimus, 260 

 Urus, 257 



VERTEBRATES, structure of, 129, 

 136 



skulless, 139 



purse-gilled, 143 

 Vicuna, 258 

 Viverra, 262 

 Vulpes vulgaris, 261 



WALRUS, 260 



Whales, bow-head, 249 

 Whales, fin-back, 249 



sperm, 249 



whalebone, 249 

 Whelk, 76 

 White ant, 100, 128 

 White bait, 160 

 Wolf, 261 



prairie. 261 

 Woodchuck, 244 

 Worms, 50 



clam, 52, 61 



earth, 50 



flat, 51 



round, 53 



sea, 52 



ZAPUS HTJDSONTUS, 344 

 Zo6a, 86 

 Zooid, 28 



