266 DRAGONFLIES OF NORTH AMERICA 
color of the under sides. Legs wholly black. Wings with the diffuse crimson spot 
covering the area about the arculus, quadrangle in the fore wing, the red sur- 
rounded by brown which extends two thirds of the way to the nodus behind 
the subcosta. On the hind wing only the veins of this same region are red; the 
membrane is brown in an irregular and variable band that extends outward 
beyond the nodus along the costa, and after a clearer portion, is diffuse over the 
entire wing tip. Tip of fore wing also is brown beyond the stigma. Abdomen in 
old species is wholly blackish. 
