STRUCTURE, GROWTH AND ECONOMICS OF INSECTS 



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Fig. 46. — Insect breeding cage, a, Sliding glass door; b, galvanized iron base; 

 c, galvanized iron holder for records; d, wooden base; e, wooden bottom detachable. 

 Sides are covered with cheesecloth. {After Webster.) 



Fig. 47. — A gasoline or electric trap lantern with attachment of four cups for 

 nsects, which fit into each other and are separated by netting of different sizes, and 

 one for cyanide at the bottom. {After photo by Davis.) 



