38 GKO. H. HORN, M. D. 



l)ressions almost obliterated, the surface near the liind angles sparsely indistinctly 

 punctate, or entirely smooth. Elytra not wider at base than the thorax, moder- 

 ately deeply striate, strife finely crenately punctured, intervals slightly convex. 

 Body beneath similar to color above, except that the abdomen is usually paler: 

 sides of metasternum and the episterna smooth, a few punctures at the sides of 

 the first ventral segment. Legs rufo-f estaceous. Length .20 — .22 inch. ; 5 — 5.5 mm. 



The scutellar stria is short, deeply impressed, free at its apical end. 

 The ocellate punctures of the eighth stria usually form a continuous 

 series without any interruption, although they are more distant from 

 each other in the middle of the series. 



In both sexes of this species the elytra are equally shining. The 

 strife vary in the distinctness of the punctuation, as remarked by 

 Dr. LeConte, but the punctures may always be seen. 



Putzeys remarks (Mem. Liege 1866, p. 186) that there are no 

 species of Celia with an ocellate puncture at the base of the scutellar 

 stria except musculus and three others which he names. I have ex- 

 amined many muscnhis and find no trace of such a structure, nor is 

 it mentioned by Putzeys later in the paper, where there is an excel- 

 lent chance to refer to it. 



Occurs in Pennsylvania, Ohio, Illinois, District of Columbia, 

 North Carolina, Wisconsin, Nebraska and Arizona. 



A. t.exaiia Putz. — Similar in form to musculus, color piceous, faintly seneous. 

 Antennae pale. Head smooth, frontal impressions short, well defined, and slightly 

 convergent. Thorax similar in form to m-usculus, but a little longer, hind angles 

 more distinct. Elytra as in musculus, the strise sharply defined, moderately deep, 

 without trace of punctures, intervals very feebly convex. Body beneath as in 

 musculus, the sides of metasternum and abdomen smooth. Legs rufo-testaceous. 

 Length .20 — .24 inch.; 5—6 mm. 



The scutellar stria is well marked, rather long, free at its apex. 

 The series of ocellate punctures is widely interrupted at middle. 



This species is very closely related to mnscuhis, but the absence of 

 punctures in the strise will distinguish it. The females are a little 

 •less shining than the males. As a rule the base of the thorax is more 

 punctate than in mi(scidus, but specimens occur quite smooth as in 

 that species. 



Occurs in western Texas near the Rio Grande. 



Gioup brunnea. 



Antenna and legs pale; sides of prothorax not deplaiiate, proster- 

 num smooth in the male, the tip not setose. Mentum tooth acute at 

 tip ; scutellar stria long and entire. 



This group corresponds with the gubgenus Acrodon of Zimmer- 



