29 
apex, the outer angle armed with a long spine ; centro-basal ridges 
prominent at the extreme base, each prolonged posteriorly as a 
smooth flexuous carina to the apical spine ; sparingly punctured 
near the base and on the sides ; pale grey, numerous small spots 
and three larger transverse patches brownish black, varied also 
with fulvous spots, chiefly near the scutellum, at one-third and 
at two-thirds the length. Body beneath, and legs black, spotted 
with light grey ; the third and fourth tarsal joints fulvous. The 
opposing faces of the pro- and mesosterna are steeply inclined 
and bituberculated. 
Taken at Ega and S. Paulo, on dead branches of trees. 
15. Acanthoderes Sweden, White. 
Acanthoderes Swederi, White, Cat. Long. Col. in Brit. Mus. ii. p. 360, pi. 9. 
fig. 6. 
This is a common species near Para, on dead trees ; it is also 
found on the Upper Amazons and at Cayenne. In most collec- 
tions it stands as A. Daviesii of Swederus and Olivier; but the 
descriptions of these authors, according to Mr. White, apply to 
a distinct Columbian species. The excellent description and 
figure quoted above are sufficient to make the insect perfectly 
well known. 1 will only add that the opposing faces of the pro- 
and mesosterna are steeply inclined and bituberculated, and that 
the fore tarsi of the d are widely dilated and densely fringed. 
16. Acanthoderes chrysopus, n. sp. 
A. parum elongatus, valde depressus, postice paulo attenuatus, te- 
nuiter tomentosus, rosaceo-fulvus maculis pallidioribus variegatus: 
elytris subtrigonis, apice late tmncatis, angulis externis modice 
productis : tarsis aureo-fulvis. Long. 6 lin. <S . 
Head silky fulvous. Antennse twice the length of the body, 
ferruginous, silky, base of each joint (from the third) greyish. 
Thorax with the lateral and dorsal tubercles equal in size and 
shape, large, conical, produced at their apices, rusty brown, 
punctured only on the fore and hind margins. Elytra with the 
centro-basal ridges much produced at the base, prolonged behind 
as smooth flexuous carinse, to the apex; sparingly granulate- 
punctate on the ridges and on the sides near the base ; the 
colour is fulvo-ferruginous, with a rosy tinge ; near the base of 
each are two fulvous-yellow spots, and near the apex a large spot 
of the same colour, all encircled with dark brown ; there are, 
besides, a few hoary-white specks scattered over the surface. 
Beneath, the body is black clothed with hoary pile, the apical 
half of the abdomen being yellow’^ spotted with white pile. Fe- 
mora black at the base, rusty-yellow on their apical halves ; the 
tibije and tarsi are silky orange-yellow, the former ringed with 
