438 MEMOIRS ON THE COLEOPTERA 



slightly picescent, the elytra just visibly paler; legs rufo-piceous; antennae 

 blackish, the basal joint pale, the next two not so dark as the remainder, 

 very long, extending to the middle of the elytra, moderately incrassate, 

 all the joints elongated, the fifth and sixth about twice as long as wide, 

 the third distinctly longer than the second; head rather longer than wide, 

 oblong-oval, the eyes at one-half more than their own length from the base; 

 prothorax large, longer than the head and nearly one-half wider, slightly 

 elongate, the sides broadly arcuate and moderately converging from the 

 strongly rounded base; punctures moderate; scutellum more than half as 

 long as the suture; elytra shorter than wide, subparallel, not as long as 

 the prothorax though slightly wider; punctures rather fine and close-set; 

 abdomen rather finely but not closely punctate and gradually sparsely so 

 behind; anterior tarsi (of) very moderately dilated. Length (cf) 6.8 

 mm.; width 1.2 mm. Montana (Helena), Wickham. 



The sixth ventral of the male has a small and rather shallow sinus, 

 with the surface adjoining triangularly impressed. This species 

 may be placed near lomatus but is much more slender. 



Philonthus cephalicus n. sp. Form parallel and linear though not 

 very slender, shining, testaceous, the abdomen dark, the segmental apices 

 pale, the head almost deep black; antennae ochreous-yellow throughout, 

 short and thick, scarcely one-half longer than the head, rather strongly 

 incrassate, the outer joints transverse; head large, oblong, rather longer 

 than wide, the parallel sides feebly arcuate, rounding at base, the eyes 

 very small, at nearly three times their length from the base; prothorax 

 slightly elongate, parallel, circularly rounded at base, with straight sides, 

 just visibly wider than the head, the punctures moderate; scutellum small; 

 elytra distinctly shorter than wide, not as long as the prothorax, at base as 

 wide as the latter, at apex slightly wider; punctures very coarse, shallowly 

 impressed and moderately close-set; abdomen broad, parallel, very finely, 

 rather sparsely punctate; sixth ventral obtusely rounded in the female. 

 Length (9) 5-3 mm.; width i.o mm. Manitoba (Aweme), Criddle. 



The anterior legs are completely torn away in my single example, 

 but the species is so distinct, as shown above, that it could not fail 

 to be recognized. It may be placed near micro phthalmus. 



Philonthus ottawensis n. sp. Slender, shining, testaceous in color, 

 the abdomen blackish, the segmental apices pallescent, the head black; 

 antennae fuscous, the basal joint testaceous, extending to the middle of the 

 pronotum, rather thick, feebly incrassate, the outer joints not quite as 

 long as wide; head elongate, the subparallel sides rounding strongly at 

 base; eyes at twice their length from the base; neck four-sevenths the 

 total width, parallel; prothorax evidently wider and longer than the head, 

 elongate, subparallel, rounded at base, the sides very feebly arcuate, the 

 apical angles well rounded; punctures rather fine; scutellum moderate, 

 very acute; elytra shorter than wide, much shorter but everywhere 

 much wider than the prothorax, slightly expanding from base to apex; 

 punctures very coarse, deep, not asperate, separated by rather more than 



