380 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



exterior margiu wiili a series of remote, long, slender bristles; the 

 posterior edges of the segments each side with a few very minute teeth, 

 the pennltimate and last segments transversely wrinkled, the latter 

 with a few indistinct punctures. 



Length 6-7 millimeters. Width of pronotum 3-4 millimeters. 



Inhabits Cuba. Sent from Havana by Prof. Felipe Poey, and from 

 the interior of the island by Mr. Charles Wright; also, from uear Saint 

 Johu's River, Florida, by Mr. E. Korton. 



Form J). — Piceous black, a little narrower anteriorly, the head a little 

 more rounded, and more distinctly emarginated in the middle of the 

 clypeus, and the sides of the pronotum siuuated and more hairy. Ob- 

 tained near Orange Springs, Florida, by Miss Modeste Hunter, and 

 in Dallas County, Texas, by Mr. G. W. Belfrage. 



The genus is represented by numerous species, both from South 

 America and Africa. 



Ehttidoporus, new genus. 



Oval, aspect of Cydnus Fieber. Head bluntly rounded in front, the 

 tylus extending to the tip, the lateral lobes flat, obliquely and obso- 

 letely wrinkled, a sunken point each side of tylus anteriorly, and a 

 larger one next to the eye ; margins thick, refiexed, the submargin 

 grooved, armed with small erect teeth and fine bristles; base of the 

 head prominent, convex, sunken each side; ocelli small, placed behind 

 a line parallel with the base of the eyes, and a little nearer to them 

 than to each other. Antennae of medium length ; the second joint 

 shorter than the third. Buccuite shorter than the throat, narrow, a 

 little vvider posteriorly. Eostrum of medium length ; the basal joint 

 as long as the head; the second longest, compressed, arched; third sub- 

 equal to the first; fourth slender, shortest. Prosternum convexly 

 elevated, the center broadly scooped out, the side-flaps slender, narrow, 

 waved. Pronotum wider than long, almost flat, the anterior lobe a 

 little more convex ; lateral margins a little oblique, moderately curved 

 inward at the anterior angles, the angles subacute, curving with and 

 fitting against the eyes ; transverse line very shallow, placed far back ; 

 posterior margin almost straight, the exterior angles steep, subrect- 

 angular ; the humeri tubercularly prominent. Ostiolar canal less than 

 half the length of the episternum, fusiform; the tip depressed, scooped 

 out, and subacute, connected with a flat, ligulate piece which runs out- 

 ward to the submargin. Anterior tibiae very slightly expanded, the 

 outer edge with only five or six small spines. Scutellum long, very 

 narrow at tip. Corium moderately Mide, the costal margin a little 

 arcuated, thickened and widened from the base to behind the middle, 

 having one setigerous puncture ; posterior margin concave. 



B. indentatus, new sp. 



Pale rufo-castaneous, oval, remotely and slenderly ciliate. Head flat, 

 moderately bluntly rounded, the outer margin broadly rufescent, the 



