154 Mr. H. W. Bates on the Longicorn Coleoptera 
7. Nyssodrys grisella, n. sp. 
N. oblonga, parum convexa: thorace griseo, brunneo trivittato, spinis 
lateralibus brevissimis acutis prope angulos posticos sitis: elytris 
brunneis, griseo maculatis, apice peroblique sinuato-truncatis. 
Long. 23 lin. C. 
Head tawny grey, vertex with two dark brown spots. An- 
tenn pitchy red. Thorax slightly 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 vitte. lytra 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. 
¢ 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, spinis 
lateralibus brevissimis, paulo ante basin sitis: elytris nigricantibus 
fasciis quatuor griseis fortiter undulatis, apice sinuato-truncatis. 
' Long. 24 lin. SQ. 
Head dusky, with a grey line running from the top of the 
forehead to the occiput. Antenne 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 vitte. 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 fasciz, 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 contmuimg from the 
fourth fascia along the suture to the apex. Body beneath and 
legs dusky, clothed with silvery-grey pile. 
¢ Terminal segment with both dorsal and ventral plates 
distinctly notched. 
externo producto, convexa, passim crebre punctata, sordide grisea, 
fusco fulvoque conspersa, utrinque apud medium macula reniformi 
nigro velutina fulvo cincta marginem lateralem haud attingente. 
Corpus subtus obscure griseum. Pedes nigricantes. 9 Stylo lon- 
giusculo, segmento dorsali attenuato, apice obtuso. Long. 3 lin. ?. 
Hab. Rio Janeiro (D. Squires). Coll. Bakewell. ; 
