GEO. H. HORN, M. D. 



Male. — Labrura slightly broader than long, arcuately narrowed to the front, 

 the apex eniarginate at middle. Mandibles slightly prominent, the incisure of 

 the upper margin rather deep. Front distinctly retuse. Thorax a little wider 

 than the elytra, slightly narrowed in front. 



Female. — Labrum shorter and broader than in the male, rather broadly emar- 

 ginate truncate at apex. Mandibles not prominent, the incisure of the upper 

 edge deep, but the lobular projection exterior to it less prominent. Thorax not 

 wider than the elytra, very distinctly narrowed in front. 



Variations. — The wide distribution of this species is probably the 

 cause of its variability from the climatic influences to which it is 

 subjected. In order that the variations may be understood the fol- 

 lowing sketch has been prepared : 



Thorax entirely piceous. 



Elytral markings almost entirely obliterated ( — — — ) 



Elytral markings more or less distinct. 



Elytra substriate substriatus. 



Elytra not substriate miser. 



Thorax with anterior angles yellow to a varying extent backwards. 



mollinus = fatuus. 



Thorax with sides narrowly pale from base to apex. Legs paler than in the 



preceding forms undatus Mels. 



( — • ) Piceous black above and beneath including the legs, the front 



angle of prothorax and side of front ventral segment pale. Elytral markings 

 almost entirely obliterated, their position indicated by paler gray hair ; punctua- 

 tion of elytra rather coarse and conspicuous. 



substriatus Kies. — Color piceous, the elytral bands fairly distinct, the 

 punctuation usual. Beneath piceous, the front angle of the prothorax and sides 

 of abdomen paler. Femora in great part brownish or reddish yellow, tibije 

 piceous. 



The substriate character of this form, on which Kiesenwetter lays 

 some stress, has no value whatever, as in all the species forms occur 

 either substriate or not. 



It is barely possible that the Kiesenwetter type of substriatus may 



be really a synonym of brunneus, as the specimens of this are more 



decidedly and uniformly striate than elsewhere. 



miser Kies. is a small form of the above with similar color and sculpture, 

 but without elytral strife. 



mollinus Kies. — Piceous or brown, the front angles of thorax yellow some- 

 times to the middle. Elytral markings distinct. Body beneath similar to sub- 

 striatus. Femora rufotestaceous, tibise brown or piceous. 



fatuus Kies. is merely a smaller mollinus. 



undatus Mels. — Piceous or brown, sides of thorax from base to apex bor- 

 dered with yellow. Elytral markings always quite distinctly marked. Body 

 beneath with a broader border of pale. Legs sometimes entirely pale, or with 

 the tibise alone fuscous. 



