186 INSECTA SAUNDERSIANA. 



clothed in front with whitish hairs : peristoma tawny : chest clothed with 

 pale tawny hairs, slightly ferruginous on each side behind the wings : breast 

 hoary : abdomen clothed with pale tawny hairs, increasing in breadth from 

 the base to the tip which is truncated, a little shorter and broader than the 

 chest, adorned on each side with alternate patches of black and white 

 hairs : legs tawny, rather long and slender, beset with short black bristles 

 which are mostly on the shanks ; feet pitchy with black tips : ivings colour- 

 less, long and narrow, dark brown mingled with dark tawny at the base and 

 along four-fifths of the length of the fore border ; this dark part is less than 

 half the breadth of the wing, and grov:s narroxcer from the base to the tip by 

 means of three sticcessive large angles ; wing-ribs and veins black ; scales 

 pale tawny ; poisers pitchy, tawny towards the base. Length of the body 

 4| lines; of the wings 13 lines. 



Columbia. 



Anthrax gnata, Fern. 

 Nigra, fulvo-hirta, thorace nigro-fusco lateribus argenteis, antennis nigris, 

 pedibus fulvo-piceis, alis fuscis fiilvo guttatis ad apices oblique lim- 

 pidis. 



Black, clothed with pale tawny hairs : chest dark brown, silvery white 

 along each side : abdomen slightly obconical, a little broader but not longer 

 than the chest: legs pitchy, thinly clothed with black hairs and bristles; 

 thighs and shanks adorned with a tawny tinge: wings colourless, dark 

 broivn on more than half the surface from the base with the exception of a 

 few small dulltawny spots ; the outline of the brown part extends from four- 

 fifths of the fore border to one-third of the hind border, and is nearly straight 

 along 7nost of its course, but angular towards the fore border ; wing-ribs and 

 veins pitchy; poisers pale yellow. Length of the body 4 lines; of the 

 wings 10 lines. 



Anthrax coNcncA, Mas. 



Nigra, capite argenteo-hirto, thoracis lateribus ferrugineo-hirtis, peclore 

 cinereo, abdomine pilis ferrugineis basi nigris media argenteis fulvis- 

 que apice ornato, ventre albo-piloso, antennis nigris, pedibus piceis, 

 alis fuscis ad apices oblique limpidis. 



Black : head adorned with short silvery hairs : mouth pitchy : chest 

 deep vclvct-likc black, adorned on each side with bright ferruginous 



