Staphrjlinidce of the Amazon Vulley. 261 



or line along the middle. Elytra distinctly longer than 



the thorax, and rather darker in ^fl^''/^^:^.;)^"^^ 

 finely and indistinctly punctured quite dull. Hmd body 

 rather slender, very densely and finely punctured. Legs 

 yeUow; front tarsi rather short, distinctly dilated, 4th 

 loint of hind tarsi small, simple. _ 



The male has a very slight emargmation at the extremity 

 of the ventral plate of the 7th segment of the hind body. 



Eo-a ; two individuals. 



10. Lithocharis compressa, n. sp. Depressa, fermginea; 

 crebre subtiliter punctulata, subopaca. Long. corp. 1 i Im. 



Antennae short, red, scarcely at all thickened toAvards 

 the extremity ; 10th joint slightly transverse. Head laige 

 aiid flat, quite as broad as the elytra, reddish, finely 

 and closdy punctured, the vertex distmctly emargmate. 

 Thoi-ax rither narrower than the elytra rather broader 

 thau long, distinctly narrowed behind reddish ; extremely 

 finely punctured, with an extremely fine channel near the 

 base! a'nd a very' indistinct impression at the ba^e on each 

 side of the middle. Elytra a good deal longer than the 

 thorax, closely and finely punctured, mftiscat^-reddish. 

 Hind body reddish, densely and finely punctured 



Anand; a single female taken by Dr. Trail on the 6th 



^'C-TMs''pecies greatly resembles {^-/f/Z-'Xr 

 appears structurilly closely alKed thereto but it is smallei 

 and more depressed, and has the surface less densely punc- 

 tiu-ed, so that it is less opaque. 



11. Lithocharis discedens, n. sp. Ferruginea, elytris, 

 antennis, pedibusque rufescentibus, opaca, dense punctata; 

 capite tho\-aceque\lense rugulose punctatis, 1-c basi qiia- 

 dripunctato; elytris dense minus distincte, doiso biseri 

 atim punctatis. Long. corp. 2 Im. ^ ., ^ , . 



Antenna, reddish, fully i lin. "\ ^^^f ^ '• ^^^^ f/nule 

 4th ioints about equal to one another, 5-10 each a httle 

 thorter than its pJ-edecessor, 9 and 10 ^T'^^]^, 1°^|^^^ 

 broad. Labrum slightly emargmate m the middle with- 

 out teeth. Mandibles red, each with tl-^ee teeth ; the 

 middle tooth on the left mandible very small, on the right 

 Se longer than the others. Head broad and short, veiy 

 densely and rugosely punctured, the punctures fine y ocel- 

 fated, the interstices very fine. Thorax almost as long as 



