Staj)]iylbi'idce of the Amazon VaUcij. 237 



(as it Avcrc, membranous) space ; tlie hind raai'gin is 

 slightly emarginate, and there is not the least trace of 

 any projection at the outside limits of this emargination ; 

 the 7th segment has a notch similar to L. rnfuliim. 

 Taj)ajos ; about a dozen individuals. 



10. Latlirobium amazon{cicm,n. sp. Angustum, piceo- 

 rufrun, nitidulum, capite piceo, crebre fortiter punctato ; 

 antennis pedibusque testaceis; prothorace crebre fortiter 

 punctato, linea media impunctata ; elytris punctato- 

 striatis. Long. corp. 2^ — 3 lin. 



Mas: abdomine segmento 7^ ventrali apice profunda 

 minus late excise. 



A narrow and parallel species. Antennte yellow, rather 

 longer than head and thorax, moderately stout ; 3rd joint 

 longer than 2nd. Head pitchy, rather long, about as 

 broad as the elytra, closely and coarsely punctured; the 

 disc more sparingly punctured, the punctuation at the 

 hind angles rugidose. Thorax slightly narrower than 

 the elytra, straight at the sides, distinctly longer than 

 broad, shining reddish, a line along the middle smooth, 

 the sides coarsely and closely punctured. The elytra are 

 longer and more finely punctured than the thorax, the 

 punctm-es (rather indistinctly) arranged in lines ; they 

 are of a reddish colour, a little infuscated towards the 

 extremity. The hind body is elongate and narrow, finely 

 punctured. The yellow legs are rather short and stout. 



The male has a rather deep but narrow notch at the 

 extremity of the 7th ventral segment ; the 6th segment 

 has the hind margin slightly projecting in the middle, 

 and in the middle of this is an extremely small emargina- 

 tion or notch. 



Tapajos ; numerous specimens. 



11. Latlirobium tar dum,n.'s^. llufescens, capite fusco- 

 rufescente, pedibus testaceis ; antennis elongatis ; capite 

 dense punctato, fere opaco ; prothorace crebre pimctato, 

 linea media lifivigata ; elytris hoc longioribus, sat crebre 

 minus fortiter pimctatis. Long. corp. 3^ lin. 



Mas : abdomine segmento 7° ventrali apice medio excise. 



Antennoe red, slender, quite 1 line in length ; 3rd joint 

 a good deal longer than 2nd. Head slightly broader than 

 the thorax, of an infuscate or somewhat purplish-red 

 colovu', coarsely and densely punctured, a small space on 

 the disc, smooth. Thorax a little narrower than the 



