99 
tubercles each with a thin pencil of black hairs ; surface, to the 
tips, covered with largish punctures, ashy brown, with blackish- 
brown markings, which form two fasciae beyond the middle, the 
anterior one oblique, the posterior one forming a curve on each 
elytron. Body beneath ashy. Legs pale reddish, clothed with 
tomentum, which forms rings alternately of an ashy and brown 
hue. 
Beaten from dead branches ; woods near Santarem. 
2. Baryssinus bilineatus, n. sp. 
B. oblongus, rufescenti-brunneus, cano fuscoque variegatus : thorace 
nigro bivittato : elytris apice breviter obtuse truncatis, pone me- 
dium vittis duabus abbreviatis nigris. Long. 4| lin. $ . 
Head ash-coloured. Antennse twice the length of the body ( $ ), 
setose beneath, ashy reddish, with the tips of the joints (including 
the first) blackish. Thorax regularly and moderately convex ; 
hind margin with a single row of punctures; surface smooth, 
and ornamented with two blackish stripes, a line of the same 
colour also encircling (above) the bases of the lateral tubercles. 
Elytra oblong, very slightly narrowed to the tips, which appear 
rounded, but are seen, on close examination, to be obtusely 
truncate ; surface free from raised lines, with the exception of 
the centro-basal ridges, which are slightly elevated, but crested 
with black hairs; the basal part only of the elytra is punctured; 
the colour is reddish brown, with a light grey tinge near the 
middle and apex, and a number of small blackish spots, besides 
a short vitta, on the disk of each behind the middle, which has 
at each end a whitish spot. Body beneath pale reddish, clothed 
with ashy-brown tomentum ; legs reddish, ringed with ashy and 
black. 
Taken at Ega, on dead branches. 
Genus Ch^tanes, nov. gen. 
Body oblong, convex, setose. Antennse one and a half times 
the length of the body, stout, furnished with a few setse beneath. 
Thorax rather narrow, widening slightly from the front; lateral 
spines distinct, acute, standing out from the sides, and placed at 
a distance from the hind angles. Elytra with centro-basal 
tubercles, surmounted each by a crest of hairs ; the rest of the 
surface hispid, with tufts of short bristles and longer setae ; 
truncated at the tip. Legs stout; thighs abruptly clavate; 
basal joint of tarsi equal in length to the second and third taken 
together. Apical abdominal segment in the males with both 
dorsal and ventral plates deeply notched, the angles of the ven- 
tral plate produced into spines : ovipositor elongated in the 2 
L 2 
