in the Collection of W. W. Saunders, Esq. 287 



femora testaceous towards the tips; tarsi with black tips; wings 

 blackish, with a cinereous spot on each side of the stigma, which 

 is black ; veins black. 



Length of the body 3 lines ; of the wings 6 lines. 



Natal. 



Fam. DOLICHOPID^. 



Genus PsiLOPUs, Meig. 



Psilopus solidus. 



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

 tennis pedibusque nigris, abdominis lateribus basi cupreis, 

 alis sub-cinereis, fasciis duabus (1* media lata, 2* apicali latis- 

 sima) nigris antice connexis, halteribus testaceis. 



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

 beneath : antennae and legs black ; abdomen bright cupreous on 

 each side at the base ; wings slightly greyish, 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 praebrachial vein 

 almost rectangular ; discal transverse vein straight, oblique ; hal- 

 teres dull testaceous. 



Length of the body 3 lines ; of the wings 7 lines, 



Mexico. 



Psilopus peractus. 



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

 cyaneo, antennis pedibus halteribusque nigris, abdomine 

 aeneo-viridi, alis sub-cinereis, venis nigris. 



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

 blue ; antennae and legs black ; abdomen aeneous green ; wings 

 greyish ; veins black ; fore-branch of the praebrachial vein ob- 

 tusely rectangular; discal transverse vein oblique, almost straight ; 

 halteres black. 



Length of the body 2| lines; of the wings 4 lines. 



Mexico. 



Psilopus hcereticus. 



Fcem. — Purpureo-niger, latus, nitens, subtus albido-tomentosus, 

 capite antennis pedibusque nigris, abdomine nigricante pur- 

 pureo, alis sub-cinereis, venis nigris. 



Female. — Purplish-black, broad, shining, with whitish tomentum 

 beneath: head, antennae and legs black, the latter rather stout ; 

 thorax rather thickly beset with black bristles ; abdomen blackish- 

 purple ; wings slightly greyish ; veins black ; fore-branch of the 



