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RHYNCHOPHORA. 
front, the sides almost straight thence to the base, the latter strongly bisinuate ; closely, finely punctate, 
the sete showing a tendency to form two fascicles on the disc and two at the apex. Elytra slightly 
constricted beneath the humeri and narrowing thence to the apex, sinuate at the base ; seriate-punctate, 
the interstices very minutely, rugulosely punctate, 3, 5, 7, and 9 feebly costate, the ridge on 3 
twice, and that on 5 once, broadly interrupted, the two short elevations on 3 alone conspicuous. 
Mesosternum flattened between the coxe, bluntly protuberant in front. Ventral segments 1-4 very 
sparsely and finely, and 5 more closely, punctate, the latter shallowly depressed in the middle behind in 
the g. Femora clavate, unidentate. Posterior tibie slightly hollowed at the apex within in the ¢. 
Tarsal claws with a short tooth. 
Length 44-42, breadth 24-23 millim. (¢ 9.) 
Hab. Panama, Bugaba (Champion). 
Fourteen specimens. A species with the upper surface thickly clothed with oblong- 
oval ferruginous scales and stout, semierect, intermixed sete, the two feeble elevations 
on the third elytral interstice alone noticeable at first sight. The rostrum is very 
-differently formed in the two sexes. The elytral coste are much less prominent than 
in the somewhat closely allied C. sguamulatus and C. armatus. 
26. Conotrachelus glabriventris, sp. n. 
Subovate, narrow, shining, rufo-piceous, the antennz, the tip (3) or whole of the rostrum (¢ ) and the legs 
(the base of the femora excepted) ferruginous; the upper surface densely clothed with rather coarse, 
oval, brownish or brownish-white scales, the vestiture of the under surface fine and very scattered, that 
of the legs closer and coarser, the femora faintly annulate, the prothorax and the alternate elytral 
interstices also with scattered, semierect, intermixed black and pallid sete. Head densely punctate, 
transversely depressed in front ; rostrum ( 3 ) stout, moderately curved, a little longer than the head and 
prothorax, rugulose and tricarinate, sparsely punctate at the tip, ( ) smoother and much more slender, 
about twice as long as the prothorax, the antenne inserted at one-third from the tip in the ¢ and at the 
middle in the 9, joint 2 of the funiculus a little shorter than 1. Prothorax transverse, constricted and 
narrowed in front, moderately sinuate at the base, the sides parallel behind; densely, finely punctate. 
Elytra about one-half wider than the prothorax, compressed behind the obliquely truncated humeri, and 
narrowing from a little beyond this to the apex ; seriate-punctate, the interstices closely rugulose, 7 and 
9 feebly costate, 3 and 5 also a little raised towards the apex, the others flat. Mesosternum flattened 
between the coxe, bituberculate in front. Ventral segments sparsely, coarsely punctate. Femora 
clavate, acutely unidentate. Tarsal claws with a short tooth. 
Length 3-31, breadth 14-14 millim. (¢ 9.) 
Hab. Panama, Volcan de Chiriqui 2000-4000 feet (Champion). 
Eight examples. A small, narrow form, with the upper surface thickly squamose 
and sparsely setose (the black sete here and there clustered together on the elytra), 
the abdomen almost bare, the third and fifth elytral interstices feebly raised towards 
the apex only, and the rostrum dissimilarly formed in the two sexes. It is very like 
C. rubicundulus, Boh., but differs from it in the form of the mesosternum, &c. 
27. Conotrachelus anthonomoides, sp. n. (Tab. XVIII. figg. 22, 22a, 9; 
22 6, tarsal claw.) 
Ovate, dull, black, mottled with rufo-piceous, the antenne, tibia, and tarsi more or less ferruginous; the 
‘vestiture close, brownish or ochreous, the prothorax with a cruciform white patch on the disc, and the 
head also with a white patch in front, the femora obsoletely biannulate with ochreous. Head densely 
