Nn.2107. DRAGOXFLIES, WASJIIXG'TOX AXD OREaOX—KEXXEDY. 277 



.Segment 5 similar to segments 3 and 4, but with the broad band 

 occupying the posterior third of the segment. 



Segment 6 similar, but with the broad band occupying the posterior 

 half of the segment. 



Figs. 35-30.— Argia emma, nymph. 35. Lateral ^^E•w. 3C. Dorsal view. 



Segment 7 similar, but with the broad band occupying the posterior 

 three-fourths of the segment. In segments 6 and 7 the anterior edge 

 of tliis broad band shades out so that the anterior edges lack definition. 



Segments 8 and 9 blue with a black stripe along ventral edge of 

 pleuritc, wider on segment 9 than on segment 8. 



Segment 10, upper half blue, lower half black, the dividing line run- 

 ning ventrad and anterad. Appendages black, lighter around bases 

 and on inner surfaces of inferiors. 



