442 Mr. Curtis's Descriptions of 



58. Hister furcatus, Curt. 



Nitide virescenti-niger, thoracis lateribus brevi-canaliculatis piinctulatis, ely- 

 tris stria suturali curvata basali tribusque versus costam apicem hand 

 attingentibus ; apice punctate 



Length If iine, breadth 1|. 



Shining greenish black, head minutely punctured : thorax with an abbreviated channel close 

 to the lateral margin, the sides punctured, with a line of punctures at the base ; a punc- 

 tured stria down each side of the suture, curved at the base, 2 deep ones towards the 

 costa not reaching the apex, and a shorter one outside ; apex of elytra and abdomen 

 thickly punctured ; anterior tibiae dilated, with 8 or 9 teeth outside, the others spiny. 



One example only ; I believe from Rio. 



59. HlSTBR CASTANIPES, Curt. 



Laevis niger, thoracis lateribus piinctulatis, elytris pedibusque castancis ; Wis 

 stria suturali furcata duabus aliis aequilongis alteraque bumerali bre- 

 viote. 



Length If line, breadth \\. 



Black, very smooth and shining; head minutely punctured, with a semicircular channel: 

 thorax with a depressed punctured stripe on each side, not touching the margin : elytra 

 castaneous, the disc pitchy, apex punctured ; a sutural stria curved at the base and 

 reaching beyond the middle, 2 others beyond it as long, with a shorter one near the 

 shoulder: abdomen punctured: tibiae compressed and dilated, anterior with 7 or 8 

 rounded teeth outside, the others with a single series of spines. 



A single specimen from Gorrite, at the mouth of the Rio de La Plata. 



Family Hydrophilid.e. 

 *60. Hydrophilus chalybkatus, Curt. 

 Nitidus atro-cseruleus, elytris lineis tribus punctulorum remotorum pilife- 

 rorum, palpis antennisque ochreis apice nigris, pedibus subcastaneis ; 

 feraoribus piceis. 

 Length 6 lines, breadth 3. 



Shining, deep blue-black, exceedingly thickly and minutely punctured ; a short impression 

 close to each eye, a doubly recurved loop of punctures on the face, 9 lines of remote 

 punctures on the elytra, producing hairs ; the costa violaceous, with long depressed 



