306 :Mr. D. 8l^>'s Contributions to the 



middle. Elytra distinctly longer than the thorax, yel- 

 lowish, finely and moderately closely punctured. Hind 

 body yellow, impunctate. Legs yellow, only moderately 

 stout. 



Rio INIadelra ; two indiWduals, captured by Dr. Trail 

 25th May, 1874. They Avere atti-acted by light. 



6. Dledius similis, n. sp. Fusco-testaceus, capita ab- 

 dominisque apice summo nigi'icantibus, pedibus pallidis ; 

 prothoraee subtransverso, obsolete jjunctato, suljtiliter 

 canaliculato, angulis ])osterioribus sinuatis ; elytris sub- 

 tiliter sat crebre punctatis. Long. corp. 1 lin. 



Autennre yellowish ; all the joints from 3 — 10 short, 

 and each distinctly stouter than its })redecessor, so that 

 though the 3rd joint is both short and slender, the jienul- 

 timate ones are rather strongly transverse. Head black. 

 Thorax reddish, blackish towards the front margin, dis- 

 tinctly shorter than broad, only slightly narrower than the 

 elyti'a, sparingly and indistinctly punctured, channelled 

 along the middle; it is a little shining: the sides are 

 nearly sti*aiglit, till near the hind angles, Avhen they are a 

 good deal narrowed, in such a way as to make the hind 

 angles appear a little sinuate. The elytra ai*e rather 

 narrow, a good deal longer than the thorax, of a dirty- 

 yellowish colour, finely and indistinctly punctured. The 

 liind body is yellowish and impunctate, the extreme apex 

 a little blackened. The legs are pale yellow, rather 

 slender. 



Rio Purus ; a single individual, found by Dr. Trail on 

 the 25th October, 1874. 



Obs. — This minute species resembles extremely the 

 B. muticus, but has the thorax differently formed. 



7. Bledins modestus, n. sp. Piceus, elytris dilutioribus, 

 antennis pcdibusque testaceis ; prothoraee latitudine hand 

 breviore, lateribus rotundatis, canaliculato, sat evidenter 

 punctato ; elytris crebre subtiliter punctatis. Long. corp. 

 I lin. 



Antenna yelloAv, short; all the joints from 3 — 10 short 

 and each distinctly broader than its predecessor, so that 

 the penultimate ones are rather strongly transverse. Man- 

 dibles and palpi yellow, head nearly black, Avith the an- 

 tennal tubercles rather strongly marked, and the eyes very 

 convex. Thorax distinctly narroAver than the elytra, as 



