CONTENTS 
CHAP. PAGE 
I The Voice of Animals . . . .15 
II Fish and their Nests .... 33 
III Unnatural Natural History ... 44 
IV Animals that change Colour ... 67 
V Birds with queer Beaks . . .77 
VI Animals and the Weather ... 88 
VII A Talk about Crabs .... 102 
VIII Frogs and Toads.120 
IX Luminous Animals.140 
X Squids, Cuttle-fish, and their Allies . 153 
XI Snails and Slugs.168 
XII Concerning Vultures . . . .186 
XIII No Eyes, and Multiple Eyes . . . 202 
XIV Animal Avocations. 217 
Index.249 
9 
