CONTENTS 
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Cylindrotoma splendens Doane 
Life activities of crane-flies 
The adult 
The egg 
Predatory natural enemies 
Vertebrates 
Parasitic natural enemies 
External parasites 
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Historical summary of the immature stages 
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Species affecting herbaceous plants 
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Methods of experimental procedure 
Collecting 
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Types of the immature stages 
External morphology 
The larva 
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The spiracular disk 
Anal gills 
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The abdomen 
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Herbivorous larvae 
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Respiration and circulation 
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The reproductive system 
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The imaginal disks, or histoblasts 
