110 Mr. D. Sharp's Contributions to the 



body narrowed towards the a))cx, black, with the extremity 

 of the 6th segment and the whole of tlie 7th bright yellow ; 

 the 2nd segment is nearly impnnctate ; 3 — 6 moderately 

 closely and distinctly ])nnctured, 7th very finely and 

 sparingly ; 3rd, 4th and 7th segments with a yellowish, 

 the others with a blackish pubescence. The front legs are 

 yellowish, Avith their coxa; and the base of the femora 

 pitchy, the middle legs blackish, with the lower half of 

 the femora yellowish. Hind legs Mack. 



In the male the Gth segment is, on the underside, a little 

 emarginate in the middle; the 7tli Avitli a rather deep and 

 narrow notch, on each side of Avhich the hind margin is 

 just a little prominent. Lateral lobes of the 8th segment 

 broader towards the extremity, instead of being pointed as 

 usual. 



Ega ; eight individuals. 



Ohs. — This species is probably rather closely allied to 

 B. xanthoceros, Nord. I have a female specimen from 

 Peru in my collection, which I believe is conspecific Avith 

 the Amazonian individuals, 



2. Bracliydirus antennatus, n. sp. Nlgei', nitidus, ano 

 testaceo,pcdibus anterioribus, intermedilsque ex parte testa- 

 ceis, antennis fuscls, testaceo-varlegatis. Long. corp. 4 lln. 



Mas : abdomine seginento sexto ventrali apice medio 

 emarginato, 7° trlangulariter producto, apice Ipso eniargi- 

 nato. 



Antenna) short, distinctly thickened towards the end ; 

 1st joint yellowish at the base, fuscous towards the ex- 

 tremity; 2 — 5 fuscous, 6 — 9 pale yellow, 10 and II 

 fuscous, 2nd and 3rd of about the same length ; 6th joint 

 about as long as broad, 7 — 10 transverse, the 10th rather 

 strongly so; 11th long and pointed. Head Avith the eyes 

 a little broader than the thorax, the front half very densely 

 and coavselA^ the hinder half much more sparingly punc- 

 tured, finely and sparingly pubescent ; mandibles and palpi 

 pitchy. Thorax much narroAver than the elytra, about as 

 long as broad, its Avidth greater in front than behind ; it 

 is black and shining, irregularly and A'cry coarsely ])unc- 

 tured, the punctures so disposed as to leave a narroAv por- 

 tion at the base ; a line along the middle, and an obscurely 

 elevated space near the front angles, free. Scutellum 

 rather closely jnmctured. Elytra longer than the thorax, 

 rather coarsely punctured. Hind body distinctly narrower 

 tOAvards the extremity, black, with the hinder portion of 



