APPENDIX. 319 



Walker, in the Transactions of the Entomological Society, 

 Tom. IV. 



Page 149. Psilopus ungulivena. 



Mas. — Lti3te viridis, antennis nigris thorace longioribus, thorace 

 subcjanesceute, abdomine snbaurato, pedibus testaceis, alia Bub- 



cinereis, vcnis nigris. 



Male. — Brig-lit green; antennae black, much longer than the 

 thorax; thorax slightly bluish ; abdomen somewhat gilded ; legs 

 testaceous, long, slender; wings grayish; veins black, fore-branch 

 of the praebrachial vein very much bent, nearly rectangular; 

 discal transverse vein very deeply undulating. Length of the 

 body 4h lines ; of the wings T lines. 



United States. 



Walker, in the Transactions of the Entomological Society, 



Tom. V. 



Page 2S7. Psilopus solidus. 



Fccm. — Cyaneo- viridis, robustus, subtus albido-tomentosus, an- 

 tennis pedibusque nigris, abdominis lateribus basi cupreis, alis 

 subcinereis, fasciis duabus (l a media lata, 2 a apicali latissima) 

 nigris antice connexis, halteribus testaceis. 



Female. — Bright bluish-green, stout, with whitish tomentnm 

 beneath; antennae and legs black: abdomen brighl cupreous on 

 each side at the base; wings slightly grayish, with a bread black 

 band in the middle and a very broad apical black band, the two 

 bands connected in front; fore branch of the praebrachial vein 

 almost rectangular; discal transverse vein straight, oblique; 

 halteres dull testaceous. Length of the body 3 lines; of the 

 wings 7. lines. 



Mexico. 



Page 287. Psilopus peractus. 



Fcem. — Viridis, robustus, subtus albido-tomentosus, capite 

 cyaneo, antennis, pedibus halteribusque nigris, abdomine Beneo- 

 viridi, alis subcinereis, veins nigris. 



Female. — Green, stout, with whitish tomentum beneath; bead 

 blue; antennas and legs black; abdomen aeneous-green; wings 



