390 RHYNCHOPHORA. 
Two specimens, both from the Atlantic slope. Viewed laterally, the white scales 
on the sides of the disc of the prothorax form an elongate, X-shaped mark, which is 
connected externally with a straight marginal line. 
87. Conotrachelus piliventris, sp.n. (Tab. XIX. figg. 29, 29 a, d, 3.) 
Oblong-ovate, opaque, nigro-piceous, the antenne ferruginous; the vestiture dense throughout, dark brown, 
becoming mottled or paler on the head, the sides of the prothorax, and the apical half of the elytra, and 
ochreous on the humeri in front and on the basal margin of the prothorax, that of the under surface 
longer, coarser, and pale brown, and that of the legs brown, annulate with lighter colour, the upper 
surface and legs also with very short, scattered, decumbent, white hairs. Head closely punctate, 
shallowly foveate between the eyes; rostrum moderately stout, curved, scarcely longer than the 
prothorax, thickly punctate and feebly tricarinate, the antennae inserted at one-third from the tip, 
joint 2 of the funiculus much shorter than 1. Prothorax about as long as broad, abruptly narrowed in 
front, the sides dentate behind this and subparallel thence to the base, the latter deeply bisinuate ; 
coarsely, closely punctate, feebly carinate anteriorly, and with two tubercles at the apex and four on the 
disc, the sides of the latter abruptly declivous. Elytra rather long, sinuate in front, obliquely constricted 
beneath the rounded humeri, narrowing almost from the base; coarsely and deeply seriate-punctate, the 
interstices densely rugulose, 3, 5, 7, and 9 strongly costate, the ridge on 3 and 5 broadly and abruptly 
twice interrupted. Mesosternum flattened between the coxe, and swollen on each side anteriorly. 
Ventral segments closely, finely punctate. Legs stout; femora bidentate; tarsal claws with a short 
tooth. 
Length 63, breadth 3 millim. (<¢.) 
Hab. Mexico, Guanajuato (Saldé). 
One specimen. A rather elongate, opaque form, with dense brown or brownish 
vestiture, which becomes much longer and paler beneath, the prothorax coarsely 
punctate and sextuberculate, the elytra with the alternate dorsal interstices strongly, 
interruptedly costate, the femora bidentate. 
88. Conotrachelus granulicollis, sp.n. (Tab. XIX. figg. 30, 304, .) 
Oblong-ovate, shining, nigro-piceous, mottled with obscure ferruginous, the raised portions of the elytra of 
this colour, the antenne and tarsi also ferruginous ; the vestiture rather close, fulvous, slightly inter- 
mixed with white, that of the under surface sparse and white. Head closely punctate ; rostrum curved, 
stout, very little longer than the prothorax, rugulosely punctate and tricarinate, the autenne inserted at 
about one-fourth from the tip, joints 1 and 2 of the funiculus subequal in length. Prothorax broader 
than long, abruptly narrowed in front, the sides almost straight thence to the base, which is deeply 
bisinuate ; densely, rugulosely punctate, sharply carinate anteriorly, and slightly depressed on the middle 
of the disc before the base, the interspaces between the punctures irregularly raised and here and there 
subtuberculate. Elytra rather long, narrowing from a little below the base, constricted beneath the 
rounded humeri, sinuate in front; coarsely seriate-punctate, the interspaces rugulose and faintly 
granulate, 3, 5, 7, and 9 moderately costate, the ridge on 3 and 5 twice, and that on 7 once, broadly 
and abruptly twice interrupted. Mesosternum flattened between the coxe, swollen on each side 
anteriorly. Ventral segments sparsely, finely punctate. Legs stout; femora each with a stout tooth 
and a small prominence at some distance exterior to it; tarsal claws with a long tooth. 
Length 7, breadth 35 millim. (d.) 
Hab. GuateMata, Capetillo (Champion). 
One specimen. An insect somewhat resembling C. piliventris, but with the 
prothorax densely rugulose, sharply carinate, and irregularly granulate (uot coarsely 
