378 RHYNCHOPHORA. 
a. Body more or less cuneiform. 
a’. Elytra immaculate. 
a’. Prothorax concolorous with the elytra. 
a’. Elytra obsoletely or faintly striate on the disc. 
a’. Femoral tooth long and stout: species large ( length over 
5mm.) . 2. 2. ee ee ee ee 
. Femoral tooth short, sqbtriangolar's species sitter (length 
under 5 mm.),. 
a’. Basal process of the prosternum binodose anteriorly . 
b°. Basal process of the prosternum flattened 
b*. Elytra deeply striate throughout ; femoral tooth sharp. 
c'. Elytra very uneven; prothorax strongly strigose at the sides . 
d'. Elytra less uneven; prothorax moderately strigose at the 
sides. . . os : ‘ 
oe very finely striate thr oughout ; femoral tooth triangular. 
*, Body eneous . . 1 wee ee ee 
Q Body black . 2 6. 1 1 ee ee ee 
6°, Prothorax rufescent, elytra black, the latter narrowly striate ; 
femoral tooth short and broad . . . . 2 oe ew 
hie rufo-maculate, narrowly striate ; femoral tooth sharp. 
. Basal process of the prosternum closely, uniformly punctate 
d°’, Basal process of the prosternum sparsely, finely punctate . 
c’. Elytra rufescent, faintly fusco-maculate, narrowly striate ; prothorax 
rufescent, smooth ; femoral tooth sharp . . 
6. Body elliptic, black; elytra sharply striate ; femoral tooth bluntly 
triangular 
1. Madarellus inzqualis, sp. n. 
Madarus inequahs, Chevr. in |itt. 
(Tab. XIX. figg. 12, 
Broad, robust, cuneiform, very shining, black, sometimes with a faint brassy lustre ; 
tures of the under surface and legs each bearing a very minute ochraceous scale. 
rostrum as long as or a little longer than the head and 
transversely depressed between the eyes ; 
inequalis, sp. n. 
eruptus, sp. 0. 
dilutus, sp. n. 
impressus, Kirsch. 
cuneatus, Casey. 
meaicanus, Solari. 
striatulus, sp. n. 
puniceicollis, sp. n. 
rufomaculatus, sp. n. 
quadrigutiatus, sp. n. 
levicollis, sp. n. 
jaiapanus, sp. D. 
12 a, 3.) 
glabrous above, the punc- 
Head finely punctate, 
prothorax, very stout, strongly arcuate, closely punctate, the antenng inserted at about the middle. 
Prothorax transversely convox, broad, somewhat rounded at the sides, abruptly narrowed and tubulate 
in front; almost smooth on the disc, obliquely strigose and finely punctate at the sides, the basal margin 
with a row of fine punctures. 
Elytra triangular, very uneven (the transverse basal excavation deep and 
the subapical callosities prominent); finely punctate-striate, the stria 2-4 partly obliterated on the disc, 
the interstices flat and almost smooth. Pygidium densely punctate. 
Beneath coarsely and closely, a 
broad space down the middle of the metasternum and abdomen sparsely and finely, punctate, the 
propleura obliquely rugose. 
cox widely separated. Legs rugosely punctate ; 
Prosternum with two short longitudinal sulci near the apex. 
Anterior 
femora sulcate beneath, the anterior pair armed with 
a stout, oblique, truncated tooth and sometimes with a smaller tooth on the opposite ridge in a line 
with it, the other femora also with a small tooth, all faintly serrulate between this and the base ; 
anterior tibie widened on the inner edge from about the basal third; anterior tarsi slightly dilated 
and hairy 1 in the g. 
Length 5;4,-63, breadth 23-31 millim. 
(d 2.) 
