384 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



10. Ischnura Ramburii Selys var. credula Hagen. 



Agrion credulum Hagen, Syn. Neur. N. Am., 1861, p. 80. 

 Ischnura Ramburii var. credula Calvert, Proc. Cal. Acad. Sci., 2d Ser., 

 Vol. IV, 1893-94, p. 489, PI. XV, figs. 5 and 6. 



3 <5 i ? Acaponeta, Tepic, 300 feet, Nov., 1894, Eisen 

 and Vaslit. 



Subfamily GOMPHIN^. 



11. Gomphoides pacifica Selys (?). 



Gomphoides pacifica Selys., Bull. Acad. Belg., 2d Ser., Tome XXXVI, 1873, 

 p. 504. 



This male differs from de Selys' description only in hav- 

 ing the discoidal triangle of the left front wing two-celled, 

 the labrum not traversed as well as bordered in front by 

 black, the antehumeral stripes are confluent with the 

 "demi-collier mesothoracique;" at the apex of the superior 

 appendages not only is the superior but also the inferior 

 angle prolonged into an acute spine, a structural peculiarity 

 apparently not mentioned for any species of Gomphoides. 



1 8 Tepic, Oct., 1894, Eisen and Vaslit. 



One female from Tepic, Oct., 1894, ma y belong here, 

 but is much larger. 



12. Gomphoides suasa Selys. 



Gomphoides suasa Selys., Bull. Acad. Belg., 2d Ser., Tome VII, 1859, 

 p. 545; Hagen, Proc. Bost. Soc. Nat. Hist., Vol. XVIII, 1875, p. 49; 

 Kirby, Cat. Odon., 1890, p. 73. 



The discoidal triangle of the right hind wing is two-celled, 

 i $ Tepic, Oct., 1894, Eisen and Vaslit. 



13. Cyclophylla elongata Selys. 



Cyclophylla elongata Selys., Monog. Gomph., 1857, p. 224, PI. XII, fig. 5. 



All the wings with a single basal subcostal cross- vein and one hypertrigonal; 

 seventeen antecubitals on the front wings, first and sixth thicker, eleven to 

 twelve postcubitals on all wings, anal triangle of hind wings four-celled. 



