ENTOMOLOGICAL CABINET. 



CYCHRUS. Fabricius. 



Family CARABIDM. Mac Leay . 



Generic Character. Antenna setaceous, first 

 joint stout, second and fourth shortest : external 

 palpi elongated, the first joint minute, second lone; 

 and clavate, third half the length of the second, 

 fourth dilated, compressed, triangular and concave ; 

 internal with the last joint somewhat oval ; labial 

 with the last joint likewise spoon-shaped, the penul- 

 timate long and spinose ; mandibles narrow exerted, 

 and having two teeth a little below the apex : thorax 

 much narrower than the elytra, the hinder angles 

 not projecting; elytra oval, the sides deflexed and 

 embracing the abdomen : wings wanting : anterior 

 tarsi simple in both sexes. 



Sp. 1. Cy. rostratus. — Black, the upper surface 

 granulated ; head narrow and elongate, the elytra 

 carinated on both sides. 



Tenebrio rostratus. Linne. Carabus rostratus. 

 Marsham. Cychrus rostratus. Leach. Sam. Curtis. 

 Stephens. 



Length from 8 to 10 lines. 



Head long and narrow, somewhat rugosely punc- 

 tate, with an elevated line over the base of the an- 

 tenna; ; labrum long, smooth and bifid ; mandibles 

 ferruginous ; the first four joints of the antennrc 

 black and shining, the remainder pubescent : thorax 

 small, somewhat rounded on the sides and behind, 

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