banks: new neuropteroid insects. 319 



other than to the eyes, ocellar triangle longer than broad behind; lateral 

 bosses large, full as near posterior ocelli as to the eyes, and three times as far 

 from the antennal ridges. Pronotum one and one fifth broader than long, 

 sides nearly parallel, a little narrowed behind, surface strongly rugose. Wings 

 long, radial sector two- or three-branched, three cross-veins bej'ond end of 

 subcosta, anastomosis oblique, seven or eight median and cubital cross-veins, 

 second and third anal veins strongly curved, ^'entral plate of the female 

 (Plate 4, fig. 44). 

 Expanse 54 mm. 



Perl.\ nirvana, sp. nov. 



Ti-PE.— :M. C. Z. 10,834. India: Kooloo (M. M. Carleton). 



Pale j^eUowish brown, a large black spot over oceUar area, and extending 

 broadly each side to the ej'^es, leaving the bosses j'ellow; a small dark spot 

 above bases of antennae, sternum, and venter yellow, setae and legs yellowish, 

 the femora at tips, and the tibiae at bases and tips narrowlj' blackish; wings 

 nearty hyaline, veins yellowish. Ocelli large, plainly closer to each other than 

 to the eyes, oceUar triangle a little longer than broad behind, lateral bosses 

 rather large, oblique, a little nearer to posterior ocelli than to the eyes, and 

 full}' twice as far from the antennal ridges. Pronotum one and one half 

 broader than long, sides nearly parallel, surface strongly rugose. Wings long, 

 radial sector four-branched, five or six cross- veins beyond end of subcosta, 

 eight ^or ten median and cubital cross-veins, second and third anal veins 

 shghtly curved, far apart at origin. The male has a large scar near tip, and 

 each side is a curved depression. 



Expanse 45 mm. 



' Perla carletoni, sp. nov. 



Type — :M. C. Z. 10,S3G. India: Kooloo (M. M. Carleton). 



Yellowish brown; ocellar space black, and black on middle of front margin 

 of head, legs blackish; abdomen marked with black and apical part of ventral 

 plate black, setae brown; wings faintly brown, venation yeUow-brown. Ocelli 

 verj- large, posterior ocelli a little nearer to each other than to the eyes; the 

 ocellar triangle longer than broad behind; lateral bosses large, as near posterior 

 oceUi as to eyes and still farther from antennal ridges. Pronotum one and 

 one half broader than long, slightly narrowed behind, strongly rugose above. 

 Wings long, radial sector three-branched, six or seven cross-veins bej^ond end 

 of the subcosta, the anastomosis obhque, seven or eight median and cubital 

 cross-veins, third anal vein much curved, second but little; female ventral 

 plate (Plate 4, fig. 51). 



Expanse 52 mm. ^ 



