XO.2107. DRAGONFLIEf^, WASHINGTON AND OREGON— KENNEDY. 327 



9. ISCHNURA CERVULA Selys. , , i . j. t 



This was at the height of its abundance during the last part of 

 Juno and the first part of July. 



187 



188 



Figs 1S5-189 -Coenagrion eesolutum, nymph. 185. Lateral view. 1S6. Dorsal view. 187. 

 Detail of caudal gill. 188. Lateral fold of abdomen showing tue spinulose 

 EDGE. 189. Labium. 



10. ISCHNURA PERPARVA Selys. 



Found throughout the summer but not abundant. 



11. AESHNA INTERRUPTA INTERNA Walker. 



This species came out during July but was not so abundant as the 

 next species. On the wing it appeared gray. 



