114 CERAMBYCID^. 



behind ; blackish with several grey, scarcely silky hairs. Elj-tra 

 with a large spot on the apex covered with greyish silky hairs ; 

 the sides at the middle reddish, the base, suture and middle 

 of elytra dusky brown, undulated with grey pubescence. Femora 

 rufous, blackish at the tip, those of the hind and middle pairs 

 of legs spined at the end on the outside, tibiae and tarsi blackish 

 with cinereous hairs ; under side somewhat ferruginous with 

 cinereous pubescence. 



Length from 5^ to 7 lines. 

 Hab. Brazil. 



This species and the M. undulans have much the appearance 

 of species of the genus Ibidion. 



8. Mallocera undulans, n. s. B.M. 



M. glaucescens, thorace elongate antice et postice substrangulato, 

 lateribus rotundatis; elytris tomento glauco sericeo denso 

 tectis, apice, basi et macula mediana subhastata lucidioribus ; 

 femoribus rufescentibus apice unispinosis (anterioribus sim- 

 phcibus), tibiis subnigris, pilis cinerascentibus. 



Head covered with a dense ash-colom-ed silky pubescence. 

 Antennae somewhat ferruginous, covered with ash-coloured hairs, 

 third, fom-th and fifth joints spined on the outside at the end. 

 Thorax longer than wide, in front and behind somewhat strangu- 

 lated, sides in the middle rounded, without tubercle or spine. 

 Elytra with a long spine at the tip of each, covered with a dense 

 silky ashy pubescence, clearest at the base, tip and the middle, 

 where there is a somewhat spear-shaped mark; under side of 

 abdomen covered with silken pubescence, when this is removed 

 the surface beneath is reddish. Femora ferruginous, darker at 

 the tip ; tips of two hind pau's furnished with a spine ; tibiae and 

 tarsi blackish, with ash-coloured hairs. 



Length from 8i to 9 hues. 



^o 



Hab. Brazil. 



9. Mallocera Eburioides, n. s, B.M. 



M. palhda hirtula, capite thoraceque subferrugineis, ehtris sin- 

 gulis lineis tribus ebunieis elevatis, una basah, duabus media- 

 nis, exteiiore plus duplo longiore et cm-vata ; femoribus pedum 

 quatuor posticorum apice intus spinigeris. 



Pale yellow, head and thorax ferruginous ; thorax with a shght 

 spine on the side behind the middle and two slight tubercles on 

 the back before the middle ; thorax somewhat transversely 

 sti-iated, with a pohshed smooth space in the middle; elytra 

 punctured, somewhat hairy, with three ivory-hke lines, one (the 

 shortest) at the base, two about the midcUe, the outer rather 



