230 J. L. LECONTE, M. D. 



31. B. fliagonalis, Lee. New Spec. Col. (Smithsonian 8vo), 52. — Blank, 

 thinly clothed with very short golden pubescence, antennae piceous, legs red- 

 dish-yellow. Head and prothorax very finely granulated, opake, sparsely and 

 finely punctured; the latter with the dorsal line very fine, sides much rounded, 

 hind angles obtuse and somewhat rounded. Elytra dark dirty yellow, with a 

 large common triangular spot extending from the humeri nearly to the tip of 

 the suture blackish ; epipleursB fuscous. Dorsal segments shining, punctulate, 

 especially towards the sides, last two segments piceous; ventrals finely punc- 

 tured. Side margin of prothorax acute, episterna narrow, concave. Meutum 

 flat, opake. Length 4.7 mm; .185 inch. 



% . — Eighth ventral segment not impressed, roujided at tip. 



One specimen collected by me at San Diego, Gala., in salt marsh. 



32. B. taw, n. sp. — Black, antennse, palpi, legs and elytra rufo-testaceous ; 

 base and suture of the last black. Head and prothorax subopake, very finely 

 granulated, the former less distinctly finely punctured ; the latter finely and 

 sparsely punctured, with the dorsal line very fine; sides much rounded, hind 

 angles obtuse, distinct. Elytra finely and densely punctured. Dorsal segments 

 shining, nearly smooth; ventrals finely punctured, tip piceous. Flanks of pro- 

 thorax very slightly concave, side margin acute, episterna wider in front than 

 at the coxal fissures which are long, narrow and open. Mentum flat, opake. 

 Length 



% . — Eighth ventral with two fine distant impressed lines, converging slightly ; 

 intermediate space feebly impressed at the middle. 



One specimen, New York. The elytra although fi-nely, are more 

 strongly punctured than in the next species. 



33. B. ornatns, Lee. New Spec. Col. (Smithsonian 8vo), 53. — Black, pruin- 

 ose with very short yellowish pubescence, antennae piceous, legs, sides of 

 elytra and large apical blotch extending more than half way to the suture 

 pale yellow. Head and prothorax opake, very finely granulated, obsoletely 

 punctulate, dorsal line not apparent, sides more obliquely and less strongly 

 rounded than in the neighboring species, hind angles obtuse, not at all rounded, 

 but even slightly prominent. Elytra finely and denselj' punctured, yellow 

 lateral stripe sometimes confined to the epipleurse, sometimes much wider, 

 dilated behind into a large apical blotch also variable in size; they are more 

 than one-half longer than the prothorax and the sutural angle is n. ore rounded 

 than usual. Dorsal segments somewhat shining, punctulate towards the sides; 

 ventrals densely punctulate. Side margin of prothorax acute, episterna slightly 

 concave, not wider in front. Mentum flat, opake. Length 3.7 — 4.2 mm; .14 — 

 .165 inch. 



%. — Eighth ventral with a small acute triangular incision closed by mem- 

 brane. 



San Francisco, Cala. ; many specimens. This species must be 

 closely allied to B. albonofatns, xMaklin, (Bull. Mosc. 1858, ii, 193), 

 from Alaska. The description of the latter, however, mentions that 

 the legs are dark, with the tarsi and the posterior tibiae alone yellow. 

 The pale sides of the elytra are also not mentioned. It may perhaps 

 be an extreme variety, as there are great differences in the markings 



