236 Transactions. 
(length of the three last joints, 2mm., 5-2 mm., 5-4 mm.). Labium 
with basilar square, mentum very short, palpiger scarcely longer than wide, 
lobes short, the internal very acute, the external ones a little truncated ; 
palpi with second joint rather long, thick, third a little enlarged at apex, 
almost as long as the other two together. Antennae contiguous at base, 
rufous almost glabrous at base, brown, pubescent at apex ; antennae-sockets 
touching each other on the median line, first joint very large, wider at base 
than apex, second joint short but rather thick, the following cylindrical 
in both sexes. 
Pronotum with anterior and posterior margins little convex, lateral 
their margin weakly convex; colour as on the pronotum. Metanotum 
with posterior margin straight, lateral lobes almost absent, presenting a 
large brown irregular spot on each side. 
Abdomen rather slender, each tergite adorned with brown spots, these 
being more extensive and darker on the first tergites than on the apical 
ones, where they are limited to the posterior margin ; this margin is slightly 
concave on the tergites 6 to 8, the ninth strongly convex; tenth tergite 
large, mixed with the supra-anal valve, forming a plate almost square, 
with its sides decidedly concave, bearing a big rounded tubercle in the 
middle; inferior anal valves small, brown, with inferior face ending in an 
acute angle. 
nferior surface of abdomen yellowish, pubescent; sternites regular 
f 
chitinized ; no styli. 
Cerci rather short and thick, a little curved, almost rounded at 
da 
x 
Anterior and middle legs ringed with brown, feebly pubescent. Anterior 
coxae armed with a short strong spine; femora adorned with 3 wide brown 
rings and armed with 2 apical rather short but movable spines; tibiae 
darkened at base and presenting 2 very large brown rings in the middle 
and at apex; 4 apical spurs, very fine and acute, the superior short, the 
inferior ones much longer; each inferior margin armed with 2-3 spines. 
Intermediate legs showing the same ornamentation and armature as the 
anterior ones. Tarsi with metatarsus very long, chiefly the anterior ones, 
presenting beneath two rows of small spinules to the apical third, carinated 
from there to the apex, second an ird joints carinated beneath 
Posterior femora rather short, enlarged at base, unarmed beneath, present 
ing a small genicular internal spine; tibiae longer than the femora, arm 
above on each margin with about 35 somewhat irregular spines, very small 
and contiguous at base, becoming a little longer and more remote towards 
