Contents 



CHAPTER XV 



PAGE 



MIGRATION . . . . . .178 



The All -devouring Locust Why a Move is necessary Har- 

 bingers of Spring A Long Journey To the Far North 

 Favoured Spots High Flyers The Fatal Lighthouse A 

 Deep-rooted Habit The Wandering Salmon The Eel and 

 its Story The Springbok's Search for Water 



CHAPTER XVI 



HUNTERS AND HUNTED .... , 189 



The Cat and his Whiskers The Panting Dog The Wily Fox 

 A Combat in the Air A Living Torpedo The Seal's Warm 

 Coat A Fifth Sense The Blind Bat The Mole and his 

 Larder The Uses of a Long Neck Eyes and how they are 

 used Shadows and how to avoid them. A Bat which uses 

 a Powder-puff A Moss-green Coat The Skunk and his 

 Perfume Bottle 



CHAPTER XVIX 



ENGINEERS . . . . . . 201 



An Animal Town The Beaver's Dam A Comfortable 

 House The Idler shunned Tree-felling An Edible House 

 The Moose-yard 



CHAPTER XVIII 



SAPPERS AND MINERS . . . . 206 



The Mole's Fortress A Stolen Home A Great Sapper 

 An Underground Town A Food Hoarder The Anomalous 

 Duckbill Hunting below Ground Cheek Pouches and what 

 they hold. 



CHAPTER XIX 



NEST-BUILDERS . . . . . .215 



A Useful Tail The Home of the Harvest Mouse A Well- 

 hidden Door The Squirrel's Dual Home The Dormouse's 

 Sleeping Apartment Curious Nesting Sites of the House 

 Mouse The Chimpanzee's Shelter 



CHAPTER XX 



SEASONAL CHANGES . . . . .221 



The Influence of Surroundings The Effect of Temperature 

 What Warmth and Food will do The Prolific Aphis A 

 Winter Fast The Curious Story of the Plaice Giant Tad- 

 poles Twin Brothers whom no one recognised 



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