152 % [November, 1844 



punctured : elytra with the sides gradually tapering from the base to the 

 apex, which is acutely rounded ; punctate-striate, the interstices flattish, 

 with minute distant impressed points : beneath dark reddish-brown, densely 

 punctured, finely pubescent: feet dull chestnut-red. 



Melanotus, Meg. Esch. Latr. — Crutonychus, Dej. 



1. M. ignobilis. Dark fuscous, pubescent, punctured; antennae and feet 

 chestnut-red. — 5 1. long, If 1. wide. Pennsylvania. 



Head strongly and confidently punctured, with the anterior edge promi- 

 nent, elevated and rounded : antenna? robust, serrated, longer than the tho- 

 rax, pale brown, with the second and third joints equal, conjointly hardly as 

 long as the fourth, or following ones : thorax very slightly narrowed before, 

 much and subequally punctured, finely and densely ashy pubescent, with 

 the sides almost rectilinear ; posterior angles very slightly excurved, acutely 

 carinate, with the carinas near the outer edges, and with them subparallel to 

 near their middle : scutel with sparse and strong punctures : elytra punctate- 

 striate, with the punctures large and profound behind the base, and small 

 and somewhat obsolete behind the middle, the interstices flattish, with mi- 

 nute and remote punctures ; finely and densely ashy pubescent ; sides 

 attenuated from the base to the apex, which is acutely rounded : beneath 

 finely pubescent, with the feet and lateral margins and tip of the anal seg- 

 ment, dull chestnut-red. 



2. M. glandicolor. Castaneous, rectilinear from near the anterior thoracic 

 angles to beyond the middle of the elytra ; antennae and feet rufous. — 8 1. 

 long, 2^ 1. wide. Pennsylvania. 



Head sparsely yellowish-pilose, with the front rather inequal, with coarse 

 and dilated punctures ; clypeus with the anterior edge projecting, rounded 

 and slightly elevated ; color of the thorax : antennae serrate, longer than the 

 thorax, with the second and third joints equal, unitedly hardly longer than 

 any of the following ones ; dusky rufous : thorax subquadrate, very slightly 

 narrowed in front, much and profoundly punctured, with the punctures 

 crowded on the lateral margins ; dorsal line obsolete before the middle and 

 but faintly indicated behind it; sides almost rectilinear from the hind angles 

 to near the apex, where they are abruptly rounded ; hind angles strongly and 

 acutely carinate ; dull rufous or red-brown, glossy : elytra chestnut-brown, 

 finely pubescent, crenate-striate, the interstices flat, finely and distantly 

 punctured; sides rectilinear from the base to beyond the middle thence to 

 the apex gradually narrowed : beneath densely ashy-pubescent : feet, ante- 

 pectus and epipleurae dull rufous. 



3. M. paradoxus. Elack, elongate ; inner elytral striae effaced ; antennae 

 and feet rufous. — 7^ 1. long, 2 1. wide. 



Body elongate, with the sides parallel; sparsely pubescent, black or deep 

 brown : front rugose-punctured, with the anterior edge somewhat projecting, 

 elevated and rounded : palpi and antenna? rufous, the latter some longer than 

 the thorax, serrated, with the second and third joints equal, unitedly about 

 as long as any of the following ones : thorax short, deeply and somewhat 



