INSTANCES OF THE WONDER OF LIFE xi 



PAGE 



the strange deep-water fishes of Lake Baikal . . .113 

 eighty seeds from a clodlet on a bird's foot . . .114 

 water animals which do not get wet . . . .115 



the water -spider's sub-aquatic nest 116 



fishes out of water 118 



the golden age of earthworms 122 



caves as refuges for weaklings . . . . . .123 



various solutions of the problem of flight .... 124 



many different kinds of ' swooping ' Vertebrates . . 124 

 the flights of gossamer spiders ..... 126 



productivity of fishes, rats, rabbits, etc. . . . .130 



a starfish with 200 million eggs 133 



fourteen species on one stone . . . . . .135 



red snow , - /"' . . - ' .'< " . . . 135 

 spider living in a pitcher-plant '. '*' .... 137 



nets made by caddis- worms . . . . . .138 



the Penelope spider . ... . . . .141 



the Antarctic fauna . ' . ; ' ' . . . . . 142 



desert vegetation ... . . . . . 144 



rock-boring animals . . . '-'' .^ . . . 145 



climbing fishes . . ; . . . . . . 145 



adaptations of aquatic insects .'.-. . . . 147 



frogs in salt water . . ' . . t ,< . . 148 



nesting of the White Tern 149 



remarkable nest of a tree-frog ...... 150 



a mouthless carp . . . . . . . . 150 



extraordinary tenacity of life ...... 152 



life of tissues and organs excised from the body . . 153 

 stinging by a decapitated wasp . . : . ' > . 153 



the Big Trees, over 2,000 years old . . I ''- . .154 

 the habits of the land -crab ^ ' . . . . . 157 



skates in fresh water . , . . .... 158 



the summer sleep of mud -fishes . ; ? . . . .160 



turning white in winter ....... 162 



the Ruffed Grouse beneath the snow . . v. . 162 



the migration of birds 163 



the Arctic Tern in the Antarctic circle . . '; '** . 165 

 the return of a swallow to its birth-place . '-^ .-r.' . 171 

 flying at the rate of 100 miles per hour .... 174 

 the power of way-finding in birds 180 



