Hagen.] 50 [May 5, 



Nympha raised. Cabot, Cat. Mus. Comp. ZooL, v, 9, 12, pi. 3, f. 4. 



Hab. New York; Sutton, Mass.; Upper Wisconsin River; Ot- 

 tawa, Canada; Osage, Kansas; San Antonio, Texas; Maryland; Co- 

 lumbia, S. America. 



Tachopteryx. 



1. Tachopteryx Thoreyi, d", ?. 



Uropetala Thoreyi Selys! Monogr., 373, 122, pi. 19, f. 3; Syn. 

 Addit., i, 25, 116 bis. 



Petalura Thoreyi Hag.! Syn., 117, 1. 



Hdb. Massachusetts (Uhler Coll.); New York; Maryland; Fort 

 Towson, S. Red River; Bee Spring, Kentucky, May. 



The nympha (supposed) from Kentucky. 



Subfamily CORDULEGASTERINA. 



CORDULEGASTER. 



1. Cordulegaster Sayi, d\ ?. 



Cordulegaster Sayi Selys! Monogr., 331, 19; Syn., 85, 106; Addit., 

 II, 40, 106. — Hag. Syn.! 115, 1; Stett. Z., xxiv, 378, 48; xxvm, 

 99; Proc. Bost. Soc. Nat. Hist., XV, 273, 37; 376, 1; xvi, 356, 10. 



Cordulegaster lateralis Scudder! Proc. Bost. Soc. Nat. Hist., x, 211; 

 XI, 300. 



Hab. Port Neuf, Canada; White Mountains, N. Hampshire, July 

 15; Portland, Me. ; Stow, Cambridge, July, Massachusetts; Maryland; 

 Ogechee River, Georgia, March 30. 



Nympha (supposed), Cabot, 1. c, 13, 15, pi. 3, f. 2. 



2. Cordulegaster maculatus, d, ?. 



JEschna obliqua Say, var. A.! Journ. Acad. Philad., vin, 16, 8. 



Cordulegaster maculatus Selys! Monogr., '337, 111; Syn., "86, 108. — 

 Hag. Syn.! 115, 2; Stett. Z., xxiv, 373, 49; Proc. Bost. Soc. Nat. 

 Hist., xv, 273, 38; xvi, 352, 11. 



Hab. Woburn, Mass.; Connecticut; Maryland; Georgia, March 

 20; Ontario, Canada. 



3. Cordulegaster dorsalis, d", ?. 



Cordulegaster dorsalis Selys! Monogr., 347, 115; Syn. Addit., I, 

 28, 113 bis; Addit., in, 44, 113 bis.— Hag. Syn.! 116, 3. 

 Hab % Sitka, Alaska; Oregon. 



4. Cordulegaster obliquus, cf, ?. 



JEschna obliqua Say, Journ. Acad. Philad., vin, 15, 8. 

 Cordulegaster fasciatus Ramb. ! Neur., 178, 1. 



