150 E. T. CRESSON. 



posterior tnarfrin of whicli is slightly arcuate, nearly transverse; meta- 

 thorax smooth and subconvex above, broadly emarginate behind, leav- 

 ing the posterior angles prominent and subacute; wings hyaline, the 

 apical margin of the anterior pair fuliginous; the second submarginal 

 cell is much longer than that represented in Fig. 14, (which represents 

 the anterior wing of ^4. duhius of Europe), being nearly twice longer 

 than broad, and receives both recurrent nervures, one near the base 

 and the other near the apex ; the legs covered with silvery pile, the 

 four posterior tibiae and tarsi strongly spinose ; abdomen sessile, con- 

 vex ; first segment entirely silvery ; the apical margins of the second, 

 third, fourth and fifth segments, broadly silvery, and dilated anteriorly 

 on the middle and sides; apical segment black. Length 42 lines; ex- 

 panse of wings 7 lines. 



^afe.— Georgia, (Coll. Am. Ent. Soc). 



One 9 specimen. 



The following species should follow after Mi/gnimia ustulata, on 

 page 143 : — 



3. Mygnimia panamensis, n. sp. 



Female. — Dark metallic green ; antennje brown, the apical half 

 pale fulvous ; mandibles black ; palpi blackish ; metathorax opaque 

 black, with dense, deep, transverse striae, a central channel, and a lon- 

 gitudinal elevation on each side behind the stigmata ; wings blackish- 

 fuscous, the apex whitish ; legs black, with bluish-green reflections, 

 anterior tibiae and tarsi brownish, posterior tibiae serrated on the exte- 

 rior edge; abdomen shining, green, with a faint bluish reflection at 

 base; apical segment brownish, pilose. Length 14 lines. 



jya6.— Panama, (Coll. Mr. E. Norton). 



One 9 specimen. This may not belong to Mi/(jniviia, as the first 

 recurrent nervure does not quite unite with the second transverso-cu- 

 bital nervure. 



