PEBLIDES. 153 



antennae dull tawny, paler towards the base : protliorax somewhat 

 rugulose, slightly testaceous on each side, and with a testaceous 

 dorsal stripe, increasing in breadth from the hind angles to the fore 

 angles ; sides straight ; angles sharp : legs dull tawny : caudal ap- 

 pendages tawny, pubescent : wings subhyaline ; veins testaceous ; 

 the external basilar areolet has eighteen transverse veins, and the 

 terminal has six ; the terminal part of the submarginal region has 

 two transverse veins ; the submedian areolet has seven transverse 

 veins. Length of the body 6 lines ; of the wings 26 lines. 



a. North America ? Presented by the Entomological Club. 



42. PERLA INTERMIXTA. 



Flava ; capitis et prothoracis latera fuscescentia ; caput thorace 

 non latius ; prothorax subrugulosus, antice paullo latins, late- 

 ribus subconvexis, angulis subobtusis ; pedes testacei ; alee 

 subhyalincB. 



Yellow : head and thorax brownish along each side ; head not 

 broader than the thorax : prothorax slightly rugulose, a little broader 

 in front ; sides slightly convex ; angles rather obtuse : legs dull tes- 

 taceous : caudal appendages pale testaceous : wings subhyaline ; 

 veins testaceous ; external basilar areolet with sixteen transverse 

 veins \ terminal areolet with five transverse veins ; terminal part of 

 the suHmarginal region with no transverse veins ; submedian areolet 

 with sixHransverse veins. Length of the body 6 lines ; of the wings 

 28 lines. 



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



43. PERLA TEIJUNCTA. 



Lutea, fulvo varia^ subtus flava ; caput thorace vix latius ; pro- 

 thorax rugulosus,sulcatus, antice paullo latius, lateribus rectis, 

 angulis acutis ; alee subhyalince. 



Luteous, partly tawny, yellow beneath : head very little broader 

 than the thorax : prothorax rugulose, with a slight middle furrow, 

 little broader in front ; sides straight ; angles sharp : wings subhy- 

 aline ; veins testaceous ; external basilar areolet with twenty trans- 

 verse veins ; terminal areolet with six transverse veins ; terminal 

 part of the submarginal region with no transverse veins; submedian 

 areolet with eight transverse veins. Length of the body 9 lines ; 

 of the wings 28 lines. 



a. Georgia. From Mr. Abbot's collection. 



