AESOHNA. 125 



medial spots; base and sides rufous, paler; appendages fuscous, 

 foliaceous ; wings hyaline, the base, anterior margin and middle 

 flavescent; pterostigma longer, narrow, bright orange; membra- 

 nule black, the base white. Female. Nineteen antecubitals ; nine 

 postcubitals. 



Length 70 millim. Alar expanse 98 millim. Pterostigma 4 

 millim. 



Hab. North America (Yienna Museum). 



11. 2B. janata. 



JEschna janata Say, Jour. Acad. Philad. VIII, 13, 6. 



Fuscous, spotted with blue and yellow ; front yellow, with a 

 black T spot above ; thorax fuscous, each side of dorsum with a blue 

 stripe, sides each with two oblique, yellow stripes, which are mar- 

 gined with black ; feet yellowish, beneath black ; abdomen long, 

 contracted behind the inflated base, fuscous, segments with a yel- 

 lowish band at base, an interrupted apical one, and a spot in the 

 middle, the last segment but little shorter than the preceding one, 

 carinated at base ; appendages subarcuated, near the base some- 

 what dilated, the apex broader, pediform, obtuse ; inferior ap- 

 pendage hardly half as long as the superior ones ; wings hyaline, 

 extreme base fuscous, pterostigma fulvous ; membranule white. 

 Male. (From the description of Say.) 



Length 60 ? millim. 



Hab. Massachusetts. 



Similar to 2E. constricta, but the last abdominal segment is 

 longer, the apex of the appendages are mutic. It is entirely un- 

 known to me. 



12. m. florida ! 



JEschna fiorida Hagen! 



Fuscous, spotted with green ; front luteous, above green, imma- 

 culate, thorax fuscous, dorsum each side, with a very broad, green 

 stripe; sides green, with an oblique, narrow, fuscous stripe; feet 

 black, base of the femora rufous ; abdomen longer than the wings, 

 equal, the base inflated, the last segment shortest, fuscous, with a 

 green ? dorsal, interrupted stripe, which is triangularly dilated at 

 the apex of the segments, a lateral green ? stripe, and the ninth 

 segment obsoletely bimaculated ; appendages shorter than the last 



