556 



PROCEEDINQS OF THE XATWNaL MU,<!ETJM. 



VOL. 52, 



wider, more irregiilar and usually discontinuous gray line lying 

 slightly in advance of the suture. The palo areas of tlie thorax 

 are pale gray with a slight greenish tint except the infraepisterna, 



5-271.-GOMPHUS OLIVACEUS. 263. MALE, SEGMENT 2. 264-266. MALE, SEGMENT 10. 2(;7 



Vulva. 268. Female, occiput. 269-271. Male, left legs. 



which are yellow. Legs with coxa and trochanter gray, femur gray 

 with a ])road dorsal black stripe, tibia and tarsus black.^ Wings witii 

 the costa edged with yellow, pterostigma brown. 



