of the Amazons Valley. 217 



than the body, black (dark red towards the base), the fourth 

 joint with a grey, the sixth with a white ring. Thorax with a 

 distinct tubercle standing out from each side at a short distance 

 from the base, scarcely narrowed behind the tubercle, hind angles 

 slightly prominent ; surface velvety purplish black, with a tawny- 

 ashy stripe on each side having a blackish line in its middle, 

 sides below this with a shining black stripe. Elytra moderately 

 elongate, and scarcely tapering from their base to near their apex, 

 whence they are distinctly narrowed to the apex, the latter 

 broadly truncated, the sutural angle of the truncature scarcely 

 distinct, outer angle produced into a longish and acute tooth ; 

 the surface is convex, setose, and moderately punctured, partly 

 in rows ; the colour is grey sprinkled with blackish spots, and 

 ornamented with large purplish -blackpatches — namely, one semi- 

 circular, over the scutellum, a second angular, on the side near the 

 base, a third of zigzag outline, beyond the middle, and a fourth 

 quadrate, close to the apex ; all these spots are margined with 

 pinkish tawny, but the apex is narrowly edged with grey. Body 

 beneath tawny ; abdomen grey in the middle and spotted with 

 black on the sides, the apical segment shining black with two 

 basal greyish spots. Legs black, with grey and tawny-grey rings ; 

 fore tarsi simple in both sexes, but the legs of the male are visibly 

 stouter than those of the female. 



<$ 2 • Terminal ventral segment sinuate-truncate, angles pro- 

 duced into short and not very acute spines : dorsal segment 

 obtuse. The whole segment is much longer in the female than 

 in the male. 



Common on felled trees in the forest throughout the Amazons 

 region. Also taken at Cayenne. An allied but quite distinct 

 species is found in Venezuela*. 



3. Colobothea decemmaculata, n. sp. 

 C. elongata, angustata, postice ilexuoso-attenuata, carneo-cinerea 

 maculis oblongis lateralibus nigro-velutinis leete ornata : thorace 



* Colobothea maculicollis (Chevrol. MS. sec. Dom. Deyrolle). Elongata, 

 parallela, modice convexa. Caput sordide cinereum. Antenna? vix 

 corpore longiores ( $?), fusese, articulis 4 to 6 to 8 T0 et 9° cinereo annu- 

 laris. Thorax paulo ante basin tuberculo rnajore conico arinatus, 

 sordide cinereus (lateribus inclusis), medio dorsi macula oblonga velu- 

 tino-purpurea ornato. Scutellum velutiuo-purpureum, medio macula 

 parva cinerea. Elytra imprimis paulo, apices versus citius attenuata, 

 flexuoso-truncata, angulis suturalibus nullis, exterioribus spinosis; supra 

 punctata, grisea, fusco maculata, utrinque maculis majoribus velutino- 

 purpureis tribus ornata, prima parva laterali ante medium, secunda 

 magna triloba pone medium, tertia obliqua valde angulata ante apicem, 

 totis carneo-fulvo partim marginatis. Corpus subtus fulvo tomentosum, 

 abdomine nigro lateribus fulvo maculatis. Pedes nigri, fulvo annu- 

 lati. Fcemina; (?) segmento ultimo ventrali truncato angulis vix pro- 

 ductis, dorsali obtuso. Long. 5 § lin. Hab. Venezuela. Coll. Bates. 



