496 bulletin: museum of comparative zoology. 



dark brown; legs and genitalia yellow. Bases of the coxae and some- 

 times also the last tarsal joint of each foot, black. Wings grayish 

 hyaline, scarcely darker than in the female. 



Widely distributed through North and Central Eurasia; but occur- 

 ring only in mountainous country in Southern Europe and there often 

 at considerable elevations (up to 2,400 meters in the Alps, according 

 to Forel). This form is also wddely distributed through Boreal Amer- 

 ica. I have examined specimens from the following localities: — 



Newfoundland: Cod Roy and Bay of Islands (L. P. Gratacap); 

 East Coast (W. T. Davis); Spruce Brook (Amer. Mus. Nat. Hist. 

 Coll.). 



Nova Scotia: Digby (J. Russell); Port Maitland (W. Reiff); 

 Boisdale, Cape Breton (W. T. Davis). 



New Brunswick: St. Stephen and St. Andrews (Centr. Exper. 

 Farms Coll.). 



Quebec : Point Comfort, James Bay (A. Skinner) ; Hull, Kingsmere 

 (Wheeler). 



Ontario: Rat Portage (J. C. Bradley); Guelph, Ottawa (Wheeler);. 

 Marshall's Bay near Arnprior (C. G. Hewitt). 



Saskatchewan: Meth}- Lake (R. Kennicott). 



British Columbia: Carbonate, on the Columbia River, 2,800 ft. 

 (J. C. Bradley). 



Maine: South Harpswell, Lower Goose Island, Casco Bay 

 (Wheeler); Monmouth (Frost). 



New Hampshire: Mt. Washington (Mrs. A. T. Slosson); Mt. 

 Moosilauke, 1,500-3,000 ft. (Wheeler). 



Vermont: Lyndon (A. L. Melander). 



Massachusetts: Blue Hills, near Boston (Wheeler). 



New York: Ramapo Mountains (Wheeler); Niagara Falls (Amer. 

 Mus. Nat. Hist. Coll.). 



North Carolina: Lake Toxaway (Mrs. A. T. Slosson); Black 

 Mountains (W. Beutenmiiller). 



Michigan: Pequaming, Baraga County (M. Hebard); Isle Ro vale 

 (H. A. Gleason). 



Colorado: Cripple Creek, 10,200 ft. (Wheeler); Steamboat Springs 

 (T. D. A. Cockerell). 



Montana: Weeksville (S. Henshaw); Helena, Elkhorn, Nigger 

 Hill, Powell County (W. M. Mann). 



Idaho: Moscow (J. M. Aldrich). 



Washington: Pullman (W. M. Mann). 



On careful examination I am unable to detect any important differ- 



