528 CALIFORNIA ACADEMY OP^ SCIENCES. 



Wings h^^aline, fulvous at base for the entire width, on 

 the front wing half- or two -thirds -way to the nodus, 

 three -fourths -way or all the way to the nodus on hind 

 wings. Pterostigma black, outer end more oblique. No 

 supratriangulars. Front wings with 13-16 antecubitals, 

 9-12 postcubitals, discoidal triangle with one cross-vein, 

 internal triangle 3 -celled (4- celled in one wing only of 

 26), 3-4 post-triangular cells then 3 rows. Hind wings 

 with 9-11 antecubitals, 11-14 postcubitals, triangle free 

 (a 6 from Arizona has one cross-vein in one wing, two in 

 the other wing, i S from San Lazaro has one cross -vein 

 in both hind wings), three post -triangular rows increas- 

 ing. Nodus situated at ,51 of length of front wing, .40- 

 .44 of length of hind wing. 



$ Differs from S by pale olive replacing brown on face 

 and vertex, no trace of red on frons, outer third of lateral 

 lobes of labium pale greenish; thorax pale green, black 

 markings similar to those of S but not so extended ; pale 

 green replacing red or brown on abdomen, black spots 

 at base and at apex of segments connected with each 

 other, a black mid-dorsal spot on 10. Appendages black, 

 twice as long as 10, straight, apices very acute. Vulvar 

 lamina indicated merely by a wide, very shallow notch at 

 apex of sternum of 8. Wings with only a very faint yel- 

 low tinge at base near costal margin. Segment 8 of the 

 female from Sierra Laguna is malformed in having the 

 dorsum incompletely developed. 



Total length S 44-5 1, ? 43-47-5 • Abdomen $ 29-33, ? 

 28-32. Hind wing S 40-45' ? 40-43- Pter. 63.? 3-5-4- 

 Sup. app. 5 2.5-2.8. App. ? 1.5. Hind tibice 6 6., ? 5- 



5-5- 



Distribution. Mexico (Baja California, as above), 



Arizona (i 5 given by Dr. Hagen to the writer and marked 



"Arizona C. U. Lot 35"). 



