. Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals . MUTUAL AID AND COMMUNAL LIFE AMONG ANIMALS 385 a rather large irregular mass and putsinto the hole, and lays a few eggs onthe pollen mass. The young grubs orlarvae which soon hatch feed on thepollen, grow, pupate, and issue asworkers—winged bees a little smallerthan the queen. These workers bringmore pollen, enlarge the nest, and makeirregular cells in the pollen mass, in eachof which the queen lays an egg. Shegathers no more pollen, does no morework exce


. Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals . MUTUAL AID AND COMMUNAL LIFE AMONG ANIMALS 385 a rather large irregular mass and putsinto the hole, and lays a few eggs onthe pollen mass. The young grubs orlarvae which soon hatch feed on thepollen, grow, pupate, and issue asworkers—winged bees a little smallerthan the queen. These workers bringmore pollen, enlarge the nest, and makeirregular cells in the pollen mass, in eachof which the queen lays an egg. Shegathers no more pollen, does no morework except that of egg-laying. Fromthese new eggs are produced moreworkers, and so on until the com-munity may come to be pretty in the summer males and femalesare produced and mate. With the ap-proach of winter all the workers andmales die, leaving only the fertilizedfemales, the queens, to live throughthe winter and found new communitiesin the spring. The social wasps—as with the bees,. Q


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