OZOLAIS. 227 
the third joint about half as long again as the second, joints 4-8 short, the eighth a little wider than the 
seventh, the ninth joint about twice the length and width of the eighth, the tenth broader and much 
longer than the ninth, rounded at the apex and without visible suture; prothorax broader than long, the 
sides slightly rounded, coarsely crenulate (about nine crenatures on each side), converging gradually from 
the base, and with a very abrupt deep notch on each side (into which the subacute humeri partially enter) 
just behind the very prominent posterior angles, the anterior angles broad and extending forwards, the 
surface (like the head) densely clothed with light greyish-brown scale-like hairs, the dise strongly gibbous, 
irregularly tuberculate, with a deep central groove and numerous conical smaller tubercles; elytra sub- 
parallel to beyond the middle, slightly narrowed at the extreme base, scarcely narrower than the widest 
part of the prothorax, each with about four or five rows of scattered coarse rounded tubercles, between 
which are other smaller conical elevations (which towards the sides become much more numerous and 
sharper, the lateral margins appearing coarsely denticulate) and numerous rows of coarse longitudinal 
impressions, the entire surface sparingly clothed with reddish-brown scale-like hairs; tarsi rather short, 
the last joint only slightly widening outwardly, more or less red. 
Length 5} millim. 
Hab. Panama, Bugaba (Champion). 
One example. This species is closely allied to O. scruposa, Pasc.* (a typical example 
of which has been lent me by the describer), but comparatively broader, the notch 
on each side of the thorax deeper and more abrupt, the tubercles on the disc more 
numerous, finer, and more conical in shape, the rows of punctures on the elytra much 
more distinctly impressed and continued to the suture. 
2. Ozolais lutosa. (Tab. X. fig. 10.) 
Broad ovate, subparallel, brownish-black, the upper surface very coarsely tuberculate and clothed with brown scale- 
like hairs. Head reddish-brown, the antennary orbits strongly swollen and subangularly extended ; antennze 
ferruginous, the eight basal joints infuscate in the middle, the first joint long and stout, joints 2-8 ovate, 
the third joint half as long again as the second, the fourth the length of but a little wider than the second, 
joints 5-7 equal, the eighth subtriangular and a little broader than the seventh, the ninth very much 
wider and longer than the eighth and also subtriangular, the tenth wider and much longer than the ninth, 
rounded at the apex, and with a faint indication of a dividing suture; prothorax wider than long, the sides 
irregular, slightly rounded, converging gradually from the base, coarsely crenulate and with about two 
deeper excisions, the anterior angles broad, very prominent, and directed forwards, the disc very strongly 
gibbous and with two large tuberculiform elevations (upon which are other smaller tubercles), the 
. elevations divided by a deep central groove, the rest of the surface irregular and with small scattered 
granular tubercles ; elytra rather short, a little narrower than the prothorax at the base, widest behind 
the middle, transversely gibbous, with irregular rows of coarse scattered rounded tubercles (on the top of 
each of which is a small bare rounded granular prominence), between which are other smaller conical 
elevations and towards the sides numerous coarser angular elevations; beneath slightly shining, irregu- 
larly punctured; prosternum slightly produced. 
Length 7 millim. 
Hab. Costa Rica, Cache (Rogers). 
One example. 
* The figure of this insect (cf. Journ. Ent. ii. t. 18. f. 1) is very badly drawn, the deep notch on each side 
of the thorax and the larger tubercles on the thorax and elytra not being indicated. 
2GG 2 
