PLATE! TL; 
Fic. 1. Side view of Corixid clinging by his long middle legs to a 
grass stem in the water. (This and the other pictures on this plate 
were photographed from life.) 
Fig. 2. Corixid clinging to a vertical support in the water. 
Fic. 8. Corixids in water on horizontal support. 
Fic 4. Belostoma fluminea feeding upon dragon fly nymph. 
Fig. 5. Characteristic position of Belostoma fuminea upon a support 
in the water, awaiting the approach of prey. 
(272) 
