PLATE VIII. 
Puoto. 1. Eggs cf Notcnecta irrorata inserted in the stem of money- 
wort. 
Puoto. 2. Egg of Notonecta undulata on edge of catta:l leaf. 
PHoTo. 3. Eggs of Notonecta insulata on Chara. 
Puoto. 4. Eggs of two species of Notonecta N. insulata above, N. 
variabilis kelow. 
Puoto. 5. Corixid eggs on a submerged twig. They are often much 
more abundant than this. The twig here photographed was a part of 
a six-foot branch covered throughout. The twig is a fair sanp’e. 
a 
PuHoto. 6. Egg of Corixid enlarged. 
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