PERLIDES. 157 



53. PEELA ANGULATA. 



Testacea ; caput antice rotundatum marginatum, thorace latins, 

 disco fulvo ; prothorax valde rugulosus, antice rotundatus, 

 lateribus subangulatis ; alee subtestacece. 



Testaceous : head rounded and with a rim in front, hroader 

 than the thorax ; disk tawny : antennas testaceous : prothorax 

 very rugose, obtusely angular on each side, rounded in front : 

 wings with an indistinct testaceous tinge ; veins testaceous ; exter- 

 nal basilar areolet with ten transverse veins ; terminal areolet with 

 three transverse veins ; terminal part of the submarginal areolet with 

 no transverse veins ; submedian areolet with six transverse veins. 

 Length of the body 6 lines ; of the wings 20 lines. 



a. Ceylon. Presented by William Templeton, Esq. 



54. PERLA SIGNATA. 



Testacea, nitens ; caput thorace non latins ; antennae nigrae ; scu- 

 tum antice multo latins; pedes femoribus et tibiis apice tarsis- 

 que nigris ; alee albidce, fasciis duabus cinereis. 



Testaceous, shining: head almost smooth, not broader than 

 the thorax : eyes and antenna black : ocelli bright red : scutum 

 minutely rugulose, with a very slight longitudinal furrow, much 

 broader in front ; sides almost straight ; angles rounded : tips of the 

 femora, knees, tips of the tibiae and tarsi black : wings whitish, with 

 two gray bands which are occasionally indistinct, one in the middle, 

 the other at the tip ; veins yellow, blackish on the bands ; external 

 basilar areolet with fifteen transverse veins ; terminal areolet with 

 three transverse veins ; submedian areolet with three or four trans- , 

 verse veins. Length of the body 4 lines ; of the wings 12 lines, 

 a c. Venezuela. From Mr. Dyson's collection. 



Sub-group 4. 



Species above or below the middle size : prothorax rugose, 

 with straight sides which are often inflected when dry ; its colour 

 bright in the middle, black or brown on each side : wings livid or 

 yellowish ; veins of the same colour. 



