130 NEUROPTERA OP NORTH AMERICA. 



cavated, the superior margin bounded by rufous; the front blue 

 above, margined with yellow, the base rufo-fuscous; thorax villose, 

 rufo-fuscous, dorsum each side with an arcuated stripe, sides each 

 with two,green ones; feet black, femora partly rufous; abdomen 

 long, sensibly narrowing posteriorly, rufo-fuscous, spotted with 

 green (the markings obsolete); appendages black, superior ones 

 short, narrow, before the apex dilated beneath, obliquely trunca- 

 ted; the inferior one a little shorter, narrow, triangular, obtuse; 

 those of the female very small; wings hyaline, the apex subfumose, 

 pterostigma narrow, yellow; membranule whitish ; nineteen ante- 

 cubitals ; nineteen postcubitals. 



Length 73 milliin. Alar expanse 102 millim. Pterostigma 3J 

 millim. 



Eab. New Orleans (Schaum). 



23. 2E. basalis. 



jEschna basalis Selys' Collection. 



Hab. Canada. Unknown to me. 



24. JE. quadriguttata ! 



^Eschna quadriguttata Burm. ! Handb. II, 837, 22. Selys, Revue Odonat. 

 Eur. 398. JEschna vinosa Say, Jour. Acad. Philad. VIII, 13, 5. 



Fulvous; head fulvous, above with a fuscous stripe; thorax ful- 

 vous, the sides, each with two bright yellow spots, which are en- 

 circled with fuscous ; feet luteous; abdomen long, equal, much nar- 

 rowed behind the inflated base, fulvous, spotted with yellow 

 (markings obsolete), segments with a yellow medial fascia, which 

 is triangularly dilated; the apex yellow, with a trifid fuscous spot; 

 appendages fulvous, the superior ones long, foliaceous, obtuse, the 

 base narrower, and beneath with a small tooth ; the inferior ap- 

 pendage very short, triangular, broader, obtuse; wings hyaline, 

 with fulvous veins and a basal fulvous spot, the basal space reticu- 

 lated, pterostigma small, yellow; membranule small, white; 19 20 

 antecubitals ; nineteen postcubital. 



Length 60 65 millim. Alar expanse 85 millim. Pterostigma 

 3 millim. 



Hab. Pennsylvania; Carolina; Massachusetts; Washington 

 (Osten Sacken) ; Maryland (Uhler). 



