FIG. 144. A, the giant water-bug or electric-light bug (Belostoma americana] ; B, 



the western water-bug (Serphus sp ), male, with eggs deposited on its back by 



the female. (Natural size) * 



(After Kellogg) 



FIG. 145. A water-strider (Hygrotrechus remigus Say). (Enlarged) 

 (After Lugger) 



