APPENDIX. 319 



Walker, in the Transactions of the Entomological Society, 

 Tom. IV. 



Page 149. Psilopus ungulivena. 



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

 subcyanescente, abdomine subaurato, pedibus testaceis, alis sub- 

 cinereis, venis nigris. 



Male. — Bright 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 4| lines ; of the wings *l lines. 



United States. 



Walker, in the Transactions of the Entomological Society, 

 Tom. V. 



Page 287. Psilopus solidus. 



Foem. — 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 tomentum 

 beneath ; antennas and legs black ; abdomen bright cupreous on 

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

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

 bands connected in front ; fore branch of the prsebrachial 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. 



Foem. — Yiridis, robustus, subtus albido-tomentosus, capite 

 cyaneo, antennis, pedibus halteribusque nigris, abdomine seneo- 

 viridi, alis subcinereis, venis nigris. 



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

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



I 



