544 CALIFORNIA ACADEMY OF SCIENCES. 



lobes divergent when viewed in front, apices not denticu- 

 lated. Hamule short, bifid, inner branch the more slen- 

 der, not as prominent as in Hagenii, shorter than the 

 outer branch which is lamellate, obtuse. Genital lobe of 

 equal prominence with the hamule, rounded. 



$ Head as in the 6 • Thoracic dorsum brown, the fol- 

 lowing green : an antehumeral stripe not reaching the 

 sinus above, a narrow, submedian stripe on each side of 

 the carina, a humeral stripe, the antealar sinus, and a 

 transverse stripe in front of the sinus confluent with the 

 upper end of the humeral. Sides of thorax green with 

 four oblique brown stripes, viz.: on mesepimeron, on 

 metepisternum, on second lateral suture and on metepim- 

 eron, the first two anastomosing. Abdomen (of both $ 

 and 5 ) shaped as in J/. Hagenii ^ , black, a green stripe 

 on each side of 2-7. Vulvar lamina entire, two small 

 ventral palps on 9. Appendages as long as 9, simple, 

 straight, anal tubercle three-fourths as long. 



S ? Front wings with 8-9 antecubitals, 6-7 postcubitals, 

 discoidal triangle free (i cross-vein in one wing of i S ), 

 internal triangle 2-celled (3-celled in 2 S and one wing of 

 2 S ), two rows of post-triangular cells. Hind wings with 

 5-6 antecubitals, 7-8 postcubitals, triangle free (one cross- 

 vein in I (^ ), no color at base of wings, or but the very 

 faintest trace of such. Females with the apex of all the 

 wings smoky, beginning at the level of the last postcu- 

 bital. 



Abdomen S 19-21, ? 17-19. Hind wing S 23.5-25, ? 

 21-25. 



Distribution. Mexico (Baja California as above, Mat- 



amoras), Cuba. 



DiPLAX Charpentier. 



Cbarp. Lib. Eur. p. 12, 1840. Ha«eu Syu. Neur. N. A. p. 173, 1861. 

 Selj's, Auu. Soc. Ent. Belg. xxxii, p. 134, 1888. Calvert, Traus. 

 Am. Ent. Soc. xx, p. 224, 1893. Sympetrum Newmau, Ent. 

 Mag. i, p. 511, 1833. Kirby, Cat. Odon. p. 13, 1890. 



