INDEX 



477 



VonBaer, 316 

 Vortex, 233 

 Vorticella, 220, 300 



Wagner, 430 



Wallace, 59, 62, 64, 98, 103, 107, 



424, 426 



War among ants, 88 

 Warm-blooded animals, 145 

 Warmth, influence of, 393 

 Warning colours, 59 

 Warren, 371 

 Wasmann, 88 

 Wasps, behaviour of, 170 

 Waste products, 152 

 Water- vascular system, 244 

 W T ay-fmding, 137 

 Wealth of beauty, 14 

 form, 8 



life, 1-17 



- numbers, 13 

 Weapons, 36 

 W easel and grouse, 44 

 Web of garden spider, 132 



-life, 18-32 



spider, 18 

 Weismanii, 193, 315, 368, 369, 



380, 391, 394, 400, 430 

 Wheel animalcules, 242 

 W T hite ants, 24, 90 



- blood corpuscles, 141 

 White, Farren, 84 



White, Gilbert, 1, 23 

 W T hitmaii, 4, 71, 196, 398 

 Whitney, 408 

 Wiedersheim, 213 

 Wilson, E. B., 402 

 Wing of birds, 136 

 Wingless insects, 256 

 Wings, kinds of, 208 

 of insects, 253 

 Winter- sleep, 146 

 W T olff, 306, 366 

 Wombat, 293 

 Woodford, 121 

 Wood-lice, 251 

 Woodpeckers, 129 

 Worms, 233, 243 



Xylocopa, 130 

 Xylophaga, 83 



Yolk, 301, 313 

 Young animals, 398 

 Youth, 330 

 Yucca moth, 167 

 Yung, 171 



Zeller, 411 

 Zoaea, 251, 318, 335 

 Zoonomia, 417 

 Zoophytes, 94 

 Zooplankton, 27 

 Zostera, 27 



