114 CERAMBYCID.E. 



behind ; blackish with several grey, scarcely silky hairs. Elytra 

 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 pans 

 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 5i 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 elongato 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- 

 plicibus), tibiis subnigris, pilis cinerascentibus. 



Head covered with a dense ash-coloured silky pubescence. 

 Antennae somewhat ferruginous, covered with ash-coloured hairs, 

 third, fourth 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 pairs furnished with a spine ; tibiae and 

 tarsi blackish, with ash-coloured hairs. 



Length from 8| to 9 lines. 

 Hab. Brazil. 



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



M. pallida hirtula, capite thoraceque subferrugineis, elytris sin- 

 gulis lineis tribus eburneis elevatis, una, basali, duabus media- 

 nis, exteriore plus duplo longiore et curvata, ; femoribus pedum 

 quatuor posticorum apice intus spinigeris. 



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

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

 the back before the middle ; thorax somewhat transversely 

 striated, with a polished smooth space in the middle ; elytra 

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

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



