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CHAPTER VI. 



DWELLINGS. 



ANIMALS NATURALLY PROVIDED WITH DWELLINGS ANI- 

 MALS WHO INCREASE THEIR NATURAL PROTECTION BY 

 THE ADDITION OF FOREIGN BODIES — ANIMALS WHO 

 ESTABLISH THEIR HOME IN THE NATURAL OR ARTI- 

 FICIAL DWELLINGS OF OTHERS — CLASSIFICATION OF 

 ARTIFICIAL SHELTERS — HOLLOWED DWELLINGS — RUDI- 

 MENTARY BURROWS CAREFULLY-DISPOSED BURROWS 



BURROWS WITH BARNS ADJOINED DWELLINGS 



HOLLOWED OUT IN WOOD — WOVEN DWELLINGS — 

 RUDIMENTS OF THIS INDUSTRY — DWELLINGS FORMED 

 OF COARSELY-ENTANGLED MATERIALS- — DWELLINGS 

 WOVEN OF FLEXIBLE SUBSTANCES — DWELLINGS WOVEN 



WITH GREATER ART THE ART OF SEWING AMONG 



BIRDS — MODIFICATIONS OF DWELLINGS ACCORDING TO 

 SEASON AND CLIMATE — BUILT DWELLINGS — PAPER 

 NESTS — GELATINE NESTS — CONSTRUCTIONS BUILT OF 

 EARTH — SOLITARY MASONS — MASONS WORKING IN 

 ASSOCIATION — INDIVIDUAL SKILL AND REFLECTION — 

 DWELLINGS BUILT OF HARD MATERIALS UNITED BY 

 MORTAR — THE DAMS OF BEAVERS. 



Animals construct dwellings either to protect 

 themselves from the cold, heat, rain, and other chances 

 of the weather, or to retire to at moments when the 

 search for food does not compel them to be outside 

 and exposed to the attacks of enemies. Some inhabit 



