INDEX. 



Waves, height of . 

 Waves, motion of . 

 Wasps 

 Weevil, the 

 Wells, dropping 

 Whales . 



Whales drawn into whirlpools 



Whale-fishers 



Wheat 



Wheel-shaped corollas 

 Whip-poor-will, the 

 Whirlpools, how caused 

 Whirlwinds, how caused . 

 White admiral butterfly . 

 Whorled flowers and leaves 

 Willow tree . • 



Will-o'-the-wisps . • 

 Winds, causes of , • 



PAGE 



5 



285 

 263 



3 

 51 

 279 

 291 

 126 

 3 

 3 



331 

 296 

 231 

 74 

 2 



Winds, rate of 

 Winter cherries 

 Wolves 

 Wood leopard moth 

 Woodman, the 

 Woods, our ramble 

 Woodpecker, the 

 Wood pigeon, the 

 Words and winds 

 Wren, the . 



Yew tree . 



Zebra, the . 

 Zoned leaves 

 Zones 

 Zoophytes 



