Stiipht/luiidcE of the Amazon Vallri/. 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 tibite 

 elongate. 



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

 on the nth October, 1874. 



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

 nigro, elytris fusco-testaceis, lateribus testaceis ; prothorace 

 transverso, subtiliter canaliculato, minus distincte punc- 

 tato ; elytris thorace longioribus, crebre subtiliter punc- 

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



Antennae yellow, rather short, gradually thickened from 

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

 transverse. Mandibles reddish, slender and 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 very obtuse ; 

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

 tinctly and rather sparingly punctured. Elytra distinctly 

 longer than the thorax, yellow, with the sutural portion 

 bi'oadly infuscate ; they are finely and rather closely piuic- 

 tured, the hind margin of each separately much rounded. 

 Hind body quite impunctate. Legs pale yellow, short ; 

 the tibins 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 punctato; elytris crebre subtiliter 

 punctatis. Long. corp. ^ lin. 



Antennae 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, with the eyes very convex. Thorax 

 slightly naiTower than the elytra, only a little broader 

 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 



