240 ]Mr. 1). Sluirp's Contributiuns iu ilw 



punctured, the disc almost impunctate, tlio other ])art 

 more distinctly and s])aring'ly punctured. Thorax rather 

 longer than broad, a little narrower than the elytra; it is 

 of a shining-yellowish colour, with a broad line along the 

 middle impunctate, the sides not altogether finely punc- 

 tured. The elytra are shining yellow, longer than the 

 thorax, sparingly and finely punctured, the punctures 

 arranged in rows except at the extremity. Legs pale 

 yellow. 



The male has a moderately large notch in the middle 

 of the hind mars^in of the 7th ventral seirment, and the 

 hind margin of the Gth scgnient is also slightly emarginate 

 in the middle. 



Tapajos ; four individuals, two of either sex. 



1 5. Latlirohium simplex, n. sp. Angustulum, testaceum, 

 nitidulum, capite disperse punctato ; thorace dorso biseri- 

 atim punctato, lateribus sat crebre punctatis ; ely tris thorace 

 paulo longioribus, seriatim, minus distincte, punctatis ; 

 abdomine crebre subtiliter punctato. Long. corp. 2 lin. 



Mas latet. 



Broader, but only a little longer, than Latlirohium 

 lon<jipenne. Antennie yellow, rather longer than head 

 and thorax, rather stout ; 3rd joint a little longer than 

 2nd. Head dark yelloAv, shining, the front part sparingly 

 punctured, a space across the middle impunctate, the 

 vertex more closely punctured. Thoi-ax a little longer 

 than broad, nearly straight at the sides, very slightly 

 narrowed behind, on each side the middle with a row 

 of fine ])unctures, which towards the base are placed in 

 a dejn-ession ; these rows are se])arated by a broad im- 

 ])iuictatc central sj^ace, and outside them the surface is 

 sparingly punctured. The elytra are slightly longer than 

 the thorax ; they are shining yellow, scarcely lighter in 

 colour than the thorax ; their ])unctuation is indistinct, 

 consisting of four or five rows of obsolete ])unctures. The 

 hind ])ody is broad in com])arison with the front ]iarts ; 

 it is reddish in colour, finely and inoderately closely 

 punctured, and finely pubescent, scarcely shining ; the 

 legs are pale yellow. 



Tapajos ; three female individuals. 



IG. T.dtltroJi'uim chloroficnm,n.^'). Pallide testaceum, 

 nitidulum, cai)ite parcius f<_)rtiter punctato, medio impmic- 



