412 Coleopferological Notices, V. 



^» integer n. sp. — Broad, more parallel, feebly convex, polished, black 

 tliroughont ; tarsi, tibiae toward tip and femora toward base feebly rufescent ; 

 pubescence moderate in length, inclined, rather abundant and distinct. Head 

 scarcely more than two-thirds as wide as the prothorax, the eyes prominent ; 

 tempora short, strongly convergent and arcuate ; median impression wide, the 

 oblique grooves distant ; a median impressed channel connects the large deep 

 epistomal depression ; last joint of the maxillary palpi subulate, very much 

 narrower than the third and only one-half as long ; antennae filiform, three- 

 fifths as long as the body, the joints very long, just visibly obconical, rather 

 more than three times as long as wide, the eleventh but slightly longer than 

 the tenth. Prothorax one-fourth wider than long, the sides evenly rounded 

 anteriorly, feebly convergent and broadly, just visibly sinuate in basal half; 

 base truncate, very wide, nearly one-half wider than the apex ; disk evenly, 

 broadly convex, rather strongly, closely punctate, feebly explanate at the 

 hind angles, without distinct median impressed line and devoid of ante-basal 

 fovea. Elytra nearly as long as wide, two-thirds longer than the prothorax, 

 and, near the apex, two-fifths wider ; humeri very slightly exposed at base, 

 the humeral width but slightly exceeding that of the prothorax and about 

 five-sixths of the subapical ; sides noticeably divergent ; outer apical angles 

 rather broadly rounded ; disk finely, rather sparsely but distinctly punctate. 

 Abdomen scarcely as wide as the elytra and much shorter, with five exposed 

 segments, minutely, sparsely punctate, the border moderate. Legs moderate 

 in length and thickness ; tarsi normal. Length 6.0-6.3 mm. ; width 2.3 mm. 



Washington State. 



The male, which serves as the type, differs from the female only 

 in its larger prothorax, the latter being however identical in shape ; 

 in the female the elytra are nearly twice as long as the prothorax 

 and three-fourths wider. The male has the sixth ventral rather 

 deeply sinuate at apex throughout the width, and the anterior tarsi 

 strongly dilated. 



PELECOMALirM Casey. 



This genus will include nearly all the North American species 

 hitherto assigned to Amphichroum, and differs radically and con- 

 stantly from the latter in the structure of the tarsi. The tarsi 

 throughout have the penultimate joint deeply bilobed and clothed 

 beneath with long papillose pubescence ; in Amphichroum they are 

 slender, compressed, with the penultimate joint not at all wider 

 and devoid of all trace of lobes, the fifth joint being inserted at its 

 obliquely truncate apex. In the present genus the intermediate 

 coxae are contiguous, while in Amphichroum they are narrowly 

 but perceptibly separated. 



