458 Materials for a Monograph 



in., 9 .28 in.; of hind femora, .44 in.; of wing-covers, .65 

 in. 7 specimens. 



Mass., (H. Coll., Miss Edmands, Sanborn, S. H. S.) 



4. S. sPECiosus, nov. sp. 



Vertex of the head quite broad, not expanding at the 

 sides, apex not rounded, the sides of the angle straight; 

 edges upturned considerably; a slight median groove ; no 

 foveolffi ; sides of the pronotum approximate, constricted 

 in the middle ; lateral foveohe not so prominent and sharp 

 as the median : wings as long as the wing-covers, extend- 

 ing beyond the tip of abdomen. 



Above brown ; below pale yellow ; face yellowish 

 brown; mouth-parts pale yellow; antenna? reddish brown ; 

 a narrow, curved streak on top of the head from inner 

 edge of eye to lateral carin:i»; a narrow, straight, white 

 streak from eye to lateral carinas ; upper half of sides of 

 pronotum brownish, darkest above ; legs yellowish brown ; 

 spines of hind tibine tipped with black; wing-covers brown- 

 ish at base, apical half pellucid, with rosaceous nervures ; 

 wings pellucid with rosaceous nervures ; costa with a dark 

 streak beyond the middle. 



Length of body, .55 in. ; of antennje, .23 in. ; of hind 

 femora, .34 in. ; expanse of wing-covers, 1 in. ; of wings, 

 .44 in. 1 J . 



St. Paul, Minnesota, (S. H. S.) 



The above-mentioned species have all immaculate wing- 

 covers ; those to be mentioned have all spots or streaks on 

 them. 



* 5. S. iMACULIPENNIS, nOV. Sp. 



Vertex of the head rather broad, w4th elevated edges, 

 with no expansion of the sides in advance of the eyes ; the 

 apex blnnt, with long, shallow foveohi?, broader toward 

 the eye than at the apex ; lateral carin:e of the pronotum 

 convergent at the anterior half, very divergent at the pos- 

 terior border, somewhat elevated but not rounded ; median 



