6 RHYNCHOPHORA. 
under surface is variable. Fresh specimens have a broad, transverse, subquadrate 
patch at the base of the prothorax, and a large patch on the shoulders of the elytra 
clothed with cinereous scales. 
5, Cratosomus spicatus, sp.n. (Tab. IL. figg. 11, 114.) | 
Subovate, black, the head and prothorax (the tubercles excepted) opaque, the rest of the surface shining ; 
sparsely clothed with minute or small, flavo-cinereous, piliform scales, which are partly hidden by a 
- fulvous mealy secretion. Head minutely punctate, sulcate down the middle in front, the eyes very large 
and subcontiguous; rostrum very stout, arcuate, reaching the metasternum, depressed at the sides 
towards the base, sparsely, finely punctate, smooth at the tip. Prothorax transverse, abruptly narrowed 
_and feebly constricted in front; sparsely, minutely punctate, with three stout, erect, conical tubercles 
placed in a transverse series across the middle of the disc, and a cluster of four stout tubercles in a line 
with them on each lateral margin. Elytra much wider than the prothorax, rather long, subtriangular, 
bidentate at the apex; rather coarsely seriate-punctate, the punctures becoming much finer towards the 
tip, the interstices 3, 5, and 7 each with from 2-4 widely separated, very stout, long, conical tubercles, 
8 with a single similar tubercle at the shoulder, and 10 with a row of four smaller tubercles below the 
base. Beneath sparsely, very finely punctate; fifth ventral segment foveate in the middle. Pygidium 
arcuate and narrowly exposed beneath. Femora clavate, the anterior pair feebly, the others sharply, 
unidentate. 
Length 244, breadth 124 millim. ( 9.) 
Hab. Costa Rica, Azahar de Cartago (Underwood). 
’ ov \ 
‘One specimen. Near the S.-American C. taurus, C. vaginalis, and C. varicosus, but 
different from them in having the very long, conical tubercles on the elytra widely 
scattered over the surface (two on the shoulder and seven on the disc of each elytron), 
and the prothorax with three large conical tubercles on the disc and a cluster of four 
others on each side. The apices of the elytra are each produced into a long stout tooth. 
6. Cratosomus augustus, sp.n. (Tab. Il. figg. 1, 1 a.) 
Oblong-ovate, black, shining ; above sparsely clothed with small reddish-brown and fulvo-cinereous scales, 
which are condensed into transverse fascie: on both the prothorax and the elytra (two on the pro- 
thorax—one at the apex and the other behind the mlddle—and three on the elytra—one before, and 
another beyond, the middle, and one near the apex); the vestiture of the under surface very scattered. 
iHead closely punctate, carinate between the rather narrowly separated eyes; rostrum very stout, 
arcuate, rugulosely punctate at the base. Prothorax transverse, rounded at the sides, constricted and 
much narrowed in front, and also narrowed behind; minutely punctate and sparsely granulate, the 
granules becoming stouter and tuberculiform at the sides before the middle, the disc with a short median 
carina. Elytra considerably wider than the prothorax, moderately elongate ; seriato-foveolate, the 
’ gquamose transverse spaces depressed and with smaller punctures, the third interstice with a very large 
smooth tubercle near the base, and the shoulders also with a large laterally projecting tubercle, the 
apices obtusely dentate. Fifth ventral segment broadly sulcate down the middle. Pygidium rather 
broadly exposed beneath. Femora clavate, unidentate. 
Length 173, breadth 73 millim. (d.) 
Hab. Panama, Chiriqui (Zrétsch). 
One specimen, obtained from the dealer H. Rolle of Berlin, under the MS. name of 
C. augustus, Faust. A close ally of C. pulverulentus, but narrower and more oblong in 
