of the Amazons Valley. 433 
Subtribe AcCANTHOCINIT. 
Group Acanthoderine. 
Genus OREODERA. 
13. Oreodera (Anoreia) biannulata, n. sp. 
O. oblongo-ovata, convexa, fulvo-brunnea ; thorace lateribus tumidis 
obtusis ; elytris apice singulatim rotundatis, supra tenuiter punc- 
tatis fulvo-brunneo et fuliginoso variegatis, lateribus apud medium 
macula fulvo-brunnea annulo cinereo-albo circumcincta ; antennis 
setosis, fuscis, articulis basi testaceis. Long. 2? lin. 
Head clothed with tawny-brown tomentum, impressed between 
the antenne; eyes distant on the vertex. Antenne longer than 
the body, clothed beneath with numerous stiff hairs; basal 
joint reddish, the rest dark brown, with bases of joints pale testa- 
ceous. Thorax short, transverse, nearly as broad in the middle 
as the base of the elytra; sides tumid, obtuse ; surface clothed 
with a mixture of tawny-brown and dark-brown tomentum. 
Elytra oblong, narrowed towards the apex, at the latter singly 
rounded; surface convex, free from tubercles, finely punctured 
and clothed with a mixture of dark-brown and tawny-brown 
pile, in which are two short, zigzag, blue-grey fasciz, one before, 
the other after the middle; each side in the middle with a tawny 
spot encircled by a whitish ring. Body beneath ashy tawny. 
Legs blackish, short, stout ; femora clavate. 
S. Paulo, Upper Amazons. 
Group Letopodine. 
Genus LrepPrurcEs. 
25. Lepturges ovalis, n. sp. 
I. ovalis, paulo convexus, griseo-brunneus ; elytris crebre punctatis, 
griseo lineatis, apice oblique sinuato truncatis, angulis productis ; 
femoribus valde clavatis. Long. 23-34% lin. 
Head clothed with dingy tawny-brown pubescence. Antennz 
dull red, sparingly clothed with short bristles. Thorax widen- 
ing from the front towards the base ; lateral spines short, acute, 
and situated very near the hind angles; disk with a transverse 
depression near the hind margin; colour brown, clothed with 
dingy-grey pubescence. LElytra oval, slightly convex; apex 
obliquely sinuate-truncate, both angles produced, sutural one 
very slightly; surface rather closely and coarsely punctured, 
light brown; each elytron with about eight narrow lines of grey 
pubescence, interrupted in some places. Body beneath and legs 
brownish red; femora abruptly clavate. 
Santarem. The species will come next to L. griseostriatus ; 
Ann. & Mag. N. Hist. Ser.3. Vol. xvu. 28 
