1875.] 81 [Hagen.. 



12. Diplax costifera, d", ?. 

 Dlplax costifera Hag.! Syn., 175, 3. 



Hab. Maine; Massachusetts; New York; N.. Red River. 



13. Diplax flavieosta, d", ?. (No description.) 

 Hab. San Diego, California. 



14. Diplax Berenice, d\ ?. 



Libellula Berenice Drurj, Ins., i, 114, pi. 48, f. 3 (female). — Oliv., 

 Enc. Method. — Say ! Journ. Acad. Philad., yin, 25, 13. — Ramb. ! 

 Neur., 88, 80. 



Libellula histrio Burm. ! Handb., n, 849, 7 (female). 



Diplax Berenice Hag. L Syn., 178, 8; Proc. Bost. Soc. Nat. Hist., 

 xv, 266, 15. 



Hab. Massachusetts; New York; N- Jersey; Maryland; Vir- 

 ginia. 



15. Diplax scotiea, d% ?. 



Libellula scotiea Donov., xv, 523. — Selys! Revue des donates,. 48. 

 22 (with the synonyms). 



Diplax scotiea Hag.! Syn., 179, 9; Hayden Rep., 1872, 728. 



Hab. N. Red River ; Ontario, Canada ; perhaps Yellowstone. 

 Common in Europe and N. Asia. Guatemala? (coll. de Selys). 



16. Diplax ochracea, d", ?. 



Libellula ochracea Rurm. ! Handb., n, 854, 38. 

 Libellula fervida Erichs. ! Yoy. Schomburgk, n, 584. 

 Libellula justina Selys! Sagra Ins. Cuba, 450. 

 Diplax ochracea Hag.! Syn., 181, 13. 



Hab. Tampico, Mexico; Cuba; Choco, N. Grenada and South 

 America. 



17. Diplax ambusta, d\ ?. 



Libellula minuscula Ramb.! Neuropt., 115, 118 (in part). 

 Diplax just iniana Hag.! Syn., 181, 14; Proc. Bost. Soc. Nat. Hist., 

 xi, 293; xv, 375, 14.— Scudder! Proc. Bost. Soc. Nat. Hist., x, 197.. 

 Hab. Cuba; Isle of Pines. 

 I suppose L. justiniana Selys, is a different species. 



18. Diplax justiniana, d", ?. 



Libellula justiniana Selys! Sagra Ins. Cuba, 450. 

 Hab. Cuba. 



19. Diplax fraterna, d% ?. 



Diplax f rater na Hag.! Proc. Bost. Soc. Nat. Hist., xv, 375, 13. 

 Diplax ochracea Scudder! Proc. Bost. Soc. Nat. Hist., x, 196 (fe- 

 male). 



PROCEEDINGS B. S. N. H. — VOL. XVIIL fr OCTOBEE, 1875. 



