154 Mr. H. W. Bates on the Longicorn Coleoptera 



7. Nyssodrys grisella, n. sp. 

 N. oblonga, parurn convexa : thorace griseo, brunneo trivittato, spinis 

 lateralibuB brevissimis acutis prope angulos posticos sitis : elytris 

 brunneis, griseo maculatis, apice peroblique sinuato-truncatis. 

 Long. 2| lin. S • 



Head tawny grey, vertex with two dark brown spots. An- 

 tennae pitchy red. Thorax shghtly widened from the front to 

 the tips of the lateral spines, the spines very small and conical 

 and placed near the hind angles ; surface tawny grey ; disk with 

 three dark brown vittae. Elytra rather narrow, apex very 

 obliquely sinuate-truncate, surface sparingly punctured, dark 

 brown, with numerous tawny-grey spots and streaks, two, near 

 the base on each side, more elongate than the rest. Body be- 

 neath and legs dark brown, clothed with grey pile ; abdomen 

 testaceous red, 



6 Apical ventral segment slightly emarginated. 



Ega, on slender branches in the forest. 



8. Nyssodrys fulminans, n. sp. 



N. oblonga, parum convexa ; thorace griseo, nigro bivittato, spinia 

 laterahbus brevissimis, paulo ante basin sitis : elytris nigricantibus 

 fasciis quatuor griseis fortiter undulatis, apice sinuato-truncatis. 

 Long. 3i lin. cT $ • 



Head dusky, with a grey line running from the top of the 

 forehead to the occiput. Antennae reddish, tips of joints dusky. 

 Thorax scarcely widened from the front to the tips of the spines, 

 which are extremely small and situated a short distance from 

 the hind angles, the space between them and the base being 

 very feebly narrowed ; surface grey, with two broad and clear 

 blackish dorsal vittae. Scutellum grey. Elytra oblong, sinuate 

 truncate, the outer angles of the truncature produced, feebly 

 convex ; surface scantily punctured, brownish black, with four 

 thin grey zigzag fasciae, the space between the first and second 

 and between the third and fourth being darker grey ; besides 

 these lines, there is a grey ring on the margin touching the 

 second fascia, and a dentated grey line continuing from the 

 fourth fascia along the suture to the apex. Body beneath and 

 legs dusky, clothed with silvery-grey pile. 



c? Terminal segment with both dorsal and ventral plates 

 distinctly notched. 



extemo producto, convexa, passim crebre punctata, sordide grisea, 

 fusco fulvoque conspersa, utrinque apud medium macula reniformi 

 nigro velutina fulvo cincta marginem lateralem baud attingente. 

 Corpus subtus obscure griseum. Pedes nigricantes. $ Stylo lon- 

 giusculo, segmento dorsali attenuato, apice obtuso. Long. 3 lin. ? . 

 Hab. Rio Janeiro (D. Squires). Coll. Bakewell. 



