202 TUK LA-NADIAX ENTOMOLOGIST. 



not marked ; wings hyaline, rather darker in costal area near the tip ; 

 venation pale brown, the costal cross veins very faint in basal part of wing. 

 Leg I of male very long, the basal tarsal jjint as long as the second, the 

 third about as long, and the fourth j)lainly shorter. About six or eight costal 

 cross-veins before bulla, and twelve to fifteen beyond. The male forceps 

 very long and slender, the submedian appendages, seen from side, show a 

 submedian erect, slender tooth or spine. Length, 9 mm.; wing, 9 mm. 

 From near Gloversville, N. Y., May 15. (Alexander.) 



Heptagenia (Epeorui) modestus, n. sp. 



Pale ; thorax and tip of the abdomen dark ; other segments of the 

 abdomen narrowly tipped with dark ; legs pale, femora banded near the 

 middle with brown, tip of tibia I of male black ; basal joint of male tarsus 

 I about as long as the second joint, the third as long as second, the fourth 

 much shorter, fifth one-half of the basal ; the first, second and third 

 together a little longer than the tibia; set.-e pale,* their alternate joints 

 tipped with dark ; wings scarcely darker in the ajMcal costal area, longi- 

 tudinal veins faintly brown, the cross-veins darker brown, none marked 

 with black, except the basal costal ; five or six costals before bulla, eight 

 or ten beyond. Length, 6.5 mm. 



From Washington, D. C, and High Island, Md., Sept. Readily 

 separated from other species by the pale setse marked with dark at tips 

 of joints. 



Heptagenia ( Epeorus) Cali/ornicus, 11. sp. 



Thorax pale brownish ; abdomen pale, hind margin of each segment 



dark ; tip of abdomen darker than elsewhere ; 

 setie brown, unmarked ; wings with the costal 

 margin rather dark, especially toward tip; vena- 

 tion pale brown, no heavily marked veins ; 

 femora unmarked, but rather brownish, tip of 

 tibia I of male dark ; basal joint of tarsus I 

 fully as long as the second, third also as long, 



Fig. ,(,.-Epfon^ Caii/ornicut, fourth a Hltle shorter ; first and second tarsal 



male forcept. .... . , , , . , . • , . 



jomts together nearly as long as the iibia. 

 The submedian appendages, seen from the side, do not show any spine 

 above; the last segment of the male forceps is very long. Length, 10 mm. 

 From the mountains near Claremonl, Calif. (Haker. ) 



