393 



anterior feet snowy white : wings slightly tawny ; veins pitchy : halteres 

 tawny, with black knobs. Length of the body 5 lines ; of the wings 

 8 lines. 



South America. 



CaLOBATA NIGRIFILUM. 



Alra, nilens, gracillima ; caput latitudine longius ; thorax fusiformh ; 

 abdomen lineare ; pedes nigro-picei, gracillimi ; alee ntgricanles. 



Deep black, shining, very slender: head longer than broad: feelers 

 black, tinged with gray ; third joint conical, longer than the first and the 

 second ; sixth bare : chest spindle-shaped : abdomen linear, much narrower 

 than the chest, and about twice its length : legs pitchy black, very long and 

 slender: wings blackish, very iridescent ; veins and halteres black. Length 

 of the body 4h lines ; of the wings 8 lines. 



South America. 



Calobata tenuipes. 



FerrugiJiea ; caput longum ; antenncB picea;,basi ferruginece ; thorax fusi- 

 formis, piceo vittatus ; abdomen piceum, basi ferrvgineum ; pedes 

 picei, longissirni, gracillimi, femoribus basi tibiixqw anticis fulvis, 

 femoribus posterioribus fulvo bifasciatis ; alee subcinerecB, albo qiiad- 

 riviltalce. 



Fenuginous, slender: head long; feelers pitchy; first and second 

 joints feiTuginous; third elliptical, longer than the first and the second ; 

 sixth pubescent : eyes black: chest spindle-shaped, with a pitchy stripe: 

 abdomen pitchy, almost linear, somewhat feiTuginous towards the ba.se, 

 narrower than the chest and nearly twice its Itngth : legs very long and 

 slender, pitchy ; thighs at the base and lore-shanks tawny ; posterior thighs 

 with two tawny bands : wings pale gray, wiih two whitish sometimes in- 

 disiinct bands in a cross line before the middle, and with two slender while 

 bands near the tip, ihe second band short ; veins black, t;n\iiy at the base : 

 halteres tawny. Length of the body 4 lines; of the wings 7 lines. 



Van Dieman's Land. 



