StiqihylinidcR of the Amazoii Vallet/. 395 



shining. Elytra a little longer than the thorax, yellow, 

 densely and moderately finely punctured, the hind margin 

 of each separately much rounded. Hind body yellow, 

 coriaceous, but with no distinct punctures. Legs yellow 

 and rather stout; the spines on the four anterior tibia3 

 elongate. 



liio Solimoes; a single individual, found by Dr. Trail 

 on the 11th October, 1874. 



4. Bledius simplex, n. sp. Obscure testaceus, capite 

 nigro, elytris fusco-testaceis, lateribus testaceis ; prothorace 

 transverse, subtiliter canaliculate, minus distincte punc- 

 tato ; elytris thorace longioribus, crebre subtiliter punc- 

 tatis; abdominc impunctato. Long. corp. vix 1^ lin. 



Antennre yellow, rather short, gradually thickened from 

 the 3rd joint to the extremity ; joints 6 — 10 rather strongly 

 transverse. Mandibles reddish, slender aiid curved, only 

 moderately long, unarmed. Head black, with the eyes 

 very convex, without sculpture and quite unarmed. Thorax 

 reddish, only slightly shining, much broader than long, 

 nearly as broad as the elytra, the hind angles veiy obtuse ; 

 it has a very fine channel along the middle, and is indis- 

 tinctly and rather sparingly punctured. Elytra distinctly 

 longer than the thorax, yelloAV, Avith the sutural portion 

 broadly iufuscate; they are finely and rather closely j^imc- 

 tured, the hind margin of each separately much rounded. 

 Hind body quite impunctate. Legs pale yellow, short ; 

 the tibiffi rather slender. 



Rio Solimoes ; a single individual, captured by Dr. 

 Trail, 11th October, 1874. 



5. Bledius muticus, n. sp. Testaceus, sat nitidus, 

 capite nigricante ; thorace vix transverso, obsolete canali- 

 culato, parce obsoleteque punctate ; elytris crebre subtiliter 

 punctatis. Long. corp. ^ lin. 



Antennas yellow, rather stout; all the joints from 3 — 10 

 short, and each stouter than its predecessor, so that the 

 penultimate ones are strongly transverse. Mandibles not 

 elongate. Head black, without distinct punctuation, 

 quite unarmed, Avith the eyes very convex. Thorax 

 slightly narrower than the elytra, only a little In-oader 

 than long, the hind angles quite rounded ; it is yellowish 

 and distinctly shining, only sparingly and very obsoletely 

 punctured, and with a very obsolete channel along the 



