84 THE CANADIAN ENTOMOLOGIST. 



Peltoperla Cornelia, n. sp 



Length of female 18 nini.; expands 30 mm. 



Colour brownish-N'ellow. Mead yellow, except for an obscure 

 brownish diffused spot before and between the ocelli. Di^c of 

 prothorax pale brownish, obscurels' and coarsely rugose. Legs 

 yellowish, with the sides of the femora l)rown. .\ dark basal knee- 

 cap covers the tibia', with apices of tibiie and all of the tarsi brown. 

 Abdomen entirely \ellow. Wings smoky-yellowish, the \'eins 

 brown, costal cross-veins closely crowded, there being about 15 

 before the end of the subcosta and 8 beyond. 



The 8th \entral segment of the femora, produced backward 

 to cover about half of the 9th segment, broadly rounded on the 

 sides and very broadly emarginate in the middle, and a wide notch 

 that is hardh' more than an undulation of the margin. 



Type — A single female collected at Cornelia, Georgia, on the 

 5tli of April, 11106 (possibh- the 4th of May, the label bearing the 

 designation, "5-4"). 



Peltoperla dorothea n. sp. 



Length of male 14 mm.; expands 21 to 28. Length of female 

 17 mm.; expands 28 to 30. 



Colour, pale brownish. Head yellowish, except for a broadly 

 diffused band between the eyes before and between the ocelli. The 

 ocelli are somewhat nearer to the eyes than to each other. An- 

 tenna." brownish and distinctly yellowish basally just beyond the 

 2nd segment. Prothorax, nearly straight across the front margin, 

 with nearly parallel sides and \cry brcjadly roimded hind margin. 

 Angles all obtuse. Rugosits' upon the discs few, irregular, and 

 somewhat paler Thorax and iibdomen brownish on the sides, 

 yellow below. Wings smoky-hyaline, with l)rown veins. Seta* 

 yellow, slightly darker on the tip, densely clothed with yelhnvish 

 hair and bearing beneath a line of long, stout spines, one on each 

 segm.ent. 



The 9th ventral segment of the male bears a conspicuous knob 

 upon a stalk that rises from the extreme base of the segment. 

 The apical border is upturned, partly co\ering the bases of the 

 sub-anal hooks, which are up-curved, parallel and sharp-pointed, 

 and reach to the rear of the dorsal segment. The 8th ventral 

 segment of the female is entire and moderately produced into a 



