1875.] 61 [Hagen. 



Hab. Brookline, Mass.; Maine, August; Detroit, Mich., June 7; 

 Rock Island, 111.; Ohio; Philadelphia, Pa.; Georgia; Louisiana; 

 Florida, March. 



Variety Cordulia basiguttata Selys, Syn. Cordul.! 3 7, 20. 



Hab. Canton, Mass., June 21; Maine; Florida. 



The nyrapha, raised by Dr. A. S. Packard, is described, 18th Rep. 

 Board of Agric, Mass., 1871, p. 379, pi. i, f. 10, and again in his 

 Guide, 3d Edit. 



6. Cordulia semiaquea, d", ?. 

 Libellulia semiaquea Burra.! Handb., II, 849, 61. 

 Tetragoneuria semiaquea Hag.! Syn., 140, 1. — Hag., Stett. Z., 



XXIV, 374, 62. 



Cordulia semiaquea Selys, Syn. Cordul.! 38, 21. — Hag., Proc. 

 Bost. Soc. Nat. Hist., xv, 270, 26; xvi, 360, 26. 



Tetragoneuria diffinis Hag. ! Syn., 141, 3. (No description.) 



Hab. Nova Scotia (Selys); Massachusetts; Savannah, Georgia; 

 South Carolina; Washington, D. C; Florida. 



Variety Cordulia complanata Ramb. ! Neur., 145, 2. — Selys, Syn. 

 Cordul., 39, 21. 



Hab. Probably Florida. 



C. cynosura and C. semiaquea belong probably to the same species 

 as varieties. 



7. Cordulia costalis, d\ ?. 



Cordulia costalis Selys, Syn. Cordul., 39. 22; Addit., 9, 22. 



Tetragoneuria costalis Hag., Syn., 141, 4 (no description). — Stett. 

 Z., xxiv, 374, 63; Proc. Bost. Soc. Nat. Hist., xvi, 360, 27. 



Cordulia nov. spec. Hag., Stett. Z., xxiv, 374, 60. — Proc. Bost. 

 Soc. Nat. Hist., xvi, 360, 24. (After the figures in Abbot's Mss.) 



Hab. Georgia. Unknown to me. 



8. Cordulia Uhleri, Z, ?. 



Cordulia Uhleri Selys, Syn. Cordul. ! 40, 23. — Hag., Proc. Bost. 

 Soc. Nat. Hist., xv, 269, 25. 

 Hab. Stow, Mass. ; New Jersey; Orono, Maine. 

 Only four specimens are known. 



9. Cordulia princeps, $ , ? . 



Epitheca princeps Hag. ! Syn., 134, 1. — Hag., Stett. Z., xxiv, 374, 

 57; Proc. Bost. Soc. Nat. Hist., xvi, 359, 21. — Walsh! Proc. Acad. 

 Philad., 1862, 400. 



Cordulia princeps Selys, Syn. Cordul.! 41, 24. 



Hab. Pecos River, Western Texas, July 15-Aug. 7; Georgia, 



