Coleopterological Notices, III. 1?9 



D. jacoMnilS n. sp. — Moderately robust and convex, suboval, black, 

 dull in lustre, densely clothed with short dark plumbeous squamiform hairs 

 and with sparse erect setae. Head sparsely punctate, subdenuded ; beak 

 densely pubescent, feebly bisulcate, one-half to two-thirds longer than wide, 

 much shorter than the prothorax, denuded at the sides toward base, the gente 

 densely pubescent. Prothorax distinctly wider than long, very strongly angu- 

 lato-tuberculate at the sides anteriorly, the width at this point slightly greater 

 than at base, the sides sinuate behind the tubercle ; apex truncate, three- 

 fourths as wide as the base, the latter broadly angulate and bisinuate ; disk 

 extremely coarsely unevenly and densely foveate, the interspaces dull finely, 

 densely punctate, densely pubescent laterally. Elytra one-half longer than 

 wide, distinctly more than twice as long as the prothorax and from one-fourth 

 to one-third wider than the latter ; sides nearly parallel and straight in basal 

 two-thirds, then rounded to the apex ; humeri almost rectangular and quite 

 broadly exposed ; disk with the alternate intervals slightly costiform, a deeply 

 eroded and denuded oblique spot from the fourth interval toward the humeri 

 which interrupts the costiform elevations, also a small discal spot on each 

 elytron nearer the suture and behind the middle. Abdomen densely pubes- 

 cent, speckled with black points. Legs short, moderately stout, densely, 

 coarsely pubescent, the vestiture slightly denser on the femora at apical third 

 above but not beneath. Length 6.5-9.0 mm. ; width 2.7-4.0 mm. 



California (San Diego). 



This species, represented before me by a good series of eight 

 specimens, is allied to pilosus but differs in its much sjnaller size, 

 coarser shorter darker and more sparsely placed vestiture, in its 

 more parallel elytra with exposed humeri, in its less costiform ely- 

 tral intervals and many other characters. 



D. annularis Lee. — (Cleonus) Col. Kansas, etc., p. 18 ; Centrodeonus ang.: 

 Proc. Am. Phil. Soc, XV, p. 146. — Rather robust and convex, suboval, black, 

 somewhat dull in lustre, the vestiture squamiform, recumbent, very dense 

 except in the denuded spots. Head coarsely, sparsely punctate, the inter- 

 spaces finely, densely so ; beak a little shorter than the prothorax, two-thirds 

 longer than wide, densely clothed above, rather finely but very strongly cari- 

 nate, the carina feebly arcuate when viewed laterally. Prothorax about one- 

 fourth wider than long, the lateral tubercle very prominent, the disk thence 

 parallel-sided and distinctly narrower to the base, the latter broadly triangu- 

 lar, wider than the truncate apex ; disk very coarsely, unevenly foveate, 

 obliquely pubescent laterally and sometimes narrowly along the middle. 

 Elytra about two-thirds longer than wide ; sides distinctly arcuate, obliquely 

 rounded to the apex, the latter somewhat parabolically rounded ; humeri not 

 noticeably exposed or prominent ; disk with rather impressed series of very 

 coarse deep punctures, the alternate intervals bat feebly costiform, the vesti- 

 ture denuded in large irregular blotches of which an oblique fascia near basal 

 third and a broad transverse band at apical third are chiefly prominent, the 

 sutural interval pubescent throughout. Abdomen densely squamulo-pubescent ; 



