414 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
behind ej^es slightly wider than through them; supra-antennal 
ridges as a rule prominent, but usually only to about half-way 
toward the lower ocellus. 
Thorax. — Black; the following parts yellow, or straw color: 
posterior dorsal margin of lobes of collar rather broadly, and a 
spot on the meta-episternum (sometimes minute) ; tegulae very 
often dark brown and sometimes narrowly margined with yellow. 
Mesoscutellum from moderately to fairly strongly convex ; meso- 
episternum generally rather blunt. 
Abdomen. — Black; sides of basal tergum yellowish, or straw 
color. 
Legs. — Black; the following parts yellow, or straw color: 
anterior femora before in greater part to almost entirely (varying 
in extent toward base), often more or less of the anterior face of 
the intermediate femora — but usually faintly, the anterior and 
intermediate tibiae except a short longitudinal dash at base 
behind on former and a more extensive spot on latter and the 
apical portion of both except before, posterior tibiae except at 
base and apical portion, and the tarsi; the latter usually brown- 
ish, with the four basal segments as a rule darker at apices, 
but the posterior may be blackish in greater part. 
Wings. — Fore wings somewhat pale honey-yellow; stigma 
brown, sometimes nearly black, more or less pale at base ; costal 
cell quite strongly translucent; veins dark brown to blackish. 
Hind wings hyaline, apical half faintly clouded; veins brown. 
* 
Length. — 1.1.5-12.5 mm. 
Redescribed from six specimens. 
Habitat. — White Mountains, New Hampshire. I have the 
following records from Canada: Cap Rouge, Quebec (Provan- 
cher); Labrador; St. Martin's Falls, Albany River, Hudson Bay 
(W. F. Kirby). 
This species is apparently alpine, or northern. 
Tenthredella cinctitibiis abdominalis Smulyan. 
Tenthredella cinctitibiis abdominalis Smulyan, Can. Ent., vol. 47, 1915, p. 324, 
9. 
The type is in the collection of the United States National 
Museum: No. 19094. 
