AGRION, 15 



lobe black, emarginated upon the middle ; dorsum of the thorax, 

 brown-brassy, each side with a testaceous stripe, sides and beneath 

 pale; feet pale, femora exteriorly black; abdomen extremely slen- 

 der, brassy-brown, with the incisures pale ; wings hyaline, ptero- 

 stigma rhomboidal, fuscous, interiorly obscurer. (J". From the 

 description of De Selys.) 



Length near 46 millim. Alar expanse 43 millim. 



Ilab. Jamaica (De Selys Longchamps). 



(Ischnura Charp.) 

 3. A. iners! 



Agrlon iners Hagen! 



Brassy-black, varied with green and blue ; head black, occiput 

 each side with a green point J", or a bluish one 9 ; prothorax 

 with the posterior lobe short, broader in the middle, rounded, 

 hardly elevated ; dorsum of the thorax brassy-brown, each side 

 with a narrow green stripe; sides green, a line beneath black; feet 

 black ; femora and tibiag interiorly and the tarsi in part green ; 

 abdomen brassy-black, the first articulations steel blue, 3 — 5 with 

 a medially interrupted yellow ring upon the base of each, 8 entirely 

 blue, 9 — 10 sides blue J" and 9 ; appendages short, the superior 

 ones obtuse, with a process interiorly, beneath ; the inferior ap- 

 pendages a little longer, cylindrical, subarcuated ; the posterior 

 margin of the last segment elevated in the middle, sub-bifid ; the 

 female has an acute ventral spine upon the 8th segment ; wings 

 hyaline, pterostigma rhomboidal, luteous, the anterior ones of the 

 male black, with the apex whitish ; eight postcubital cross-nervules. 



9 . Yar. aurantiaca. Head green in front, with bluish occi- 

 pital points ; dorsum of the thorax orange, a broad brassy-brown 

 stripe upon the middle, the sides dirty green ; abdomen brassy- 

 black, the sides dirty green ; the first segment orange, the second 

 orange, with a brassy-black apical spot ; the third to the fifth with 

 a basal yellow ring which is interrupted in the middle; the follow- 

 ing segments are brassy-black ; feet pale, with an external fuscous 

 line. 



Length 31 — 34 millims. Alar expanse 31—40 millim. 



Hdb. New York; Maryland (Uhler) ; Washington (Osten 

 Sacken) ; Louisiana (Schaum) ; Mexico (Deppe) ; Tampico 

 (Saussure) ; Cuba (Osten Sacken). 



