552 
[March 
than half as long, the third longer than the second; space between the 
antennae not elevated into a ridge; epistoma very short and broad, the 
labrum longer, much narrower, rounded on the lower margin, on the 
middle of which there is a slight, triangular production; mandibles 
very stout; apical joint of the maxillary palpi about one-fourth longer 
than the preceding one, obliquely truncated at tip, the penultimate 
joint equal to the antepenultimate; cheeks broad, but not prominently 
dilated. Anterior part of the prothorax amplified, so as to cover the 
base of the head like a hood, its anterior margin subtruncated, the 
lateral margins becoming gradually obliquely narrowed posteriorly, not 
sinuated, the extreme edge carinately elevated, dorsal surface trans¬ 
versely, deeply depressed before the middle, behind the middle much 
broadened, flat, Tegmina broad, ample, but not reaching the apex of 
the abdomen, covered with well developed, closely reticulated nervures, 
excepting only a small area of the discal base, the costal flap extending 
low down upon the sides. Legs short, stout, the anterior tibiae dilated 
upon the middle, and bearing a very long and broad tympanal cavity, 
the exterior face with a moderate spine just below the middle, the in¬ 
terior face bearing two similar spines each, nearer the tip, the tip with 
a coronet of four spines surrounding it: exterior face of the interme¬ 
diate tibiae with three spines on one side and two on the other, upon 
the interior face and apex they are the same in number and position 
as upon the anterior tibiae; laminate carina of the inferior part of the 
posterior femora continued to the tip, patellae very small; posterior 
tibiae curved inwards, dilated from the base to the tip, prismatic, with 
the edges rounded, the posterior face with six remote, stout spines on 
one side and four on the other, exclusive of the apical coronet; tarsi 
long, compressed, basal joint about two-thirds the length of the apical 
one, the second one about half the length of the basal, and more than 
twice the length of the third, plantulae small, rounded, not dilated nor 
cleft. % . 
C. monstrosus. 
Pale dull yellow; cranium black, with five pale lines upon it, the 
intermediate ones converging anteriorly; face yellow, with black su¬ 
tures, tips and sides of the maxillary palpi, and uncovered portion of 
mandibles blackish; antennae piceous, more or less yellow at base, the 
first joint yellow upon the middle; eyes dark brown, but little longer 
