AMERICAN PHILOSOPHICAL SOriKTY. 505 



punctures few, distant, almost tu be traced into obsolete series ; 

 laterally with small punctures, furnishinji; short hairs; tergum in 

 some lights sliijhtly iridescent towards the tip; beneath very ub- 

 scurely pioeous ; feet piceous. 



Lenj^th nearly three-tenths of an inch. 



The two dorsal series of punctures in other species diverge a 

 little posteriorly, but in the present species they evidently approach 

 towards their posterior termination. Fam. 1st. 



[Considered by Erichson as Qucdiws capucinus. — Lec] 



6. S. DIMIDI ATUs. — IJlacLish ; elytra and margins of abdominal 

 segments reddish-brown ; feet pale. 



Inhabits United States. 



Body piceous blick ; head oval black, with two punctures be- 

 tween the eyes, two punctures on the posterior canthus and live 

 or six behind ; mouth piceous ; antennie, first and second joints 

 and part of the third yellowish, or reddish-brown, more or less 

 pale ; thorax black, with a tinge of piceous ; dorsal series five, 

 and an equal puncture more distant than tlie others, near, the 

 anterior margin, and a little exterior to the line of the series ; 

 lateral punctures two, or in a much curved line three ; marginal 

 two ; elytra reddish-brown, with prostrate hairs ; abdomen, seg- 

 ments reddish-brown on their posterior margins ; feet yellowish, 

 or pale reddish-brown. 



Length nearly one-fifth of an inch. 



I have found specimens in I'enusylvania and Missouri. The 

 reddish-brown color of the posterior margins of the abdomen is 

 obvious beneath. Fam. 1st. 



[A rhiluntluui, probably the same as the European P. Loitraiis. 

 — Lkc] 



7. S.TAcniNiFORMis. — Black J thoraxsanguincous; feet piceous. 

 Inhabit.s Mexico. 



Body black ; head rather small, oval, polished ; with two punc- 

 tures [451] each side between the eyes, and eight or ten behind 

 the eyes ; antenn;e fuscous, dark piceous at base ; mouth piceous; 

 thorax sanguineous ; dorsal punctures five, distant from the base 

 and tip ; lateral two ; marginal three, placed triangularly ; elytra 

 with a slight, obscure metallic tinge, with numerous minute puuc- 

 1834.] 



