1875.] 75 [Hagen. 



Hab. Cuba; Hayti, May. 



2. Dythemis velox, d", ?. 

 Dythemis velox Hag.! Syn., 163, 2. 



Hab. Pecos River, Texas, July-August; Waco, July 14- Au- 

 gust 20. 



3. Dythemis fugax, d", ?. 

 Dythemis fugax Hag.! Syn., 163. 3. 



Hab. Pecos River, Western Texas, July- August ; Waco, Texas, 

 August 1. 



4. Dythemis mendax, d", ?. 

 Dythemis mendax Hag.! Syn., 164, 4. 



Hab. Pecos River, Western Texas, July; St. Antonio, Texas. 



5. Dythemis praecox, Hag.! Syn., 164, 5. 

 Hab. Mexico. 



6. Dythemis pertinax, d", ?. 

 Dythemis pertinax Hag.! Syn., 166, 10, male. 



Dythemis Sallei Selys, Ann. Soc. Ent. Belg., xi; Proc, 67? female. 

 Hab. Orizaba, Mexico. I have not seen D. Sallei', probably it 

 belongs here. 



7. 8, 9. Three new species from Waco, Texas, and Mexico; re- 

 lated to the foregoing ones. 



10. Dythemis frontalis, d, ?. 



Libellula frontalis Burm.! Handb., n, 857, 56. — Selys! Sagra Ins. 

 Cuba, 453. — Scudder! Proc. Bost. Soc. Nat. Hist., x, 193. 



Dythemis frontalis Hag. ! Syn., 165, 6 ; Stett. Z., xxvui, 98 ; Proc. 

 Bost. Soc. Nat. Hist, xi, 292; xv, 375, 9.— Uhler! Proc. Bost. Soc. 

 Nat. Hist., xi, 298. 



Hab. Cardenas, Cuba, May-June; Isle of Pines; Hayti, May. 



11. Dythemis dicrota, d", ?. 



Dythemis olidyma Hag.! Syn., 165, 8 (not Selys); Proc. Bost. Soc. 

 Nat. Hist., xi, 292. 



Hab. Cuba ; Matamoras, Tampico, Mexico. 



As my D. dicrota proved to be Lib. didyma Selys, I have given the 

 name D. dicrota to this species. 



12. Dythemis didyma, d", 9. 

 Libellula didyma Selys! Sagra Ins. Cuba, 453. 

 Libellula Phryne Ramb. ! Neur., 121, 127. 



Dythemis dicrota Hag.! Syn., 166, 9; Proc. Bost. Soc. Nat. Hist., 

 XI, 292. 

 Mesothemis Poeyi Scudder! Proc. Bost. Soc. Nat. Hist., x, 194; 



