448 TRANSACTIONS OF THE 



SCAKITES Fab. 



Anterior tibia emarginate and crenate ; elytra entire ; antenna3 

 sbort, tbird and fourth joints moniliform, subequal; labrum sbort, 

 dentated ; mandibles elongated, dentate ; palpi filiform ; tongue 

 dilated, very short, emarginate at tip ; thorax rounded behind ; 

 body subcylindrical. [18] 



S. suBTERRANEUS. — Black, immaculate; bead bisulcate before ; 

 elytra striated ; feet, second pair, with two permanent spines on 

 the tibiae. 



Length about nine-tenths of an inch. 



Black; anterior feet digitated ; head gulcated before ; elytra striated ; 

 striae smooth. Fabr. Syst. Eleut. I., p. 124. 



Carabus interruptus Fuess. Arch. 161, t. 29, f. 4. 



Black ; head with two longitudinal impressions ; elytra striated. 

 Oliv. 3, p. 8, pi. 1, fig. 10. 



Head with two indented parallel lines before, half the length of 

 the head ; mandibles profoundly canaliculate above, teeth above 

 striated ; antennae attaining the base of the anterior feet, ferrugin- 

 ous, darker at base ; labium subcarinate on the middle, with a 

 double impression at base ; gula with an impressed line which is 

 furcate before. Trunk somewhat scabrous each side beneath ; 

 thorax, a longitudinal impressed line and a transverse anterior one ; 

 posterior edge emarginate ; feet, second pair, armed with two 

 permanent prominent spines, on the outer edge below the middle, 

 of which the inferior one is larger; elytra distinctly and rather 

 strongly striated ; strict impunctured ; margin scabrous ; epipleura 

 glabrous; humerus carinated before, carina terminating abruptly 

 in an angle. 



Very common in almost every part of North America. 



PASIMACHUS Bonell. Latr. 



Anterior tibia emarginate and crenate ; elytra entire ; antennae 

 short, third and fourth joints not moniliform; labrum dentated ; 

 mandibles strongly dentate ; palpi filiform ; tongue dilated, very 

 short, and emarginate ; thorax subcordate, truncate behind ; body 

 dilated, depressed. [19] 



1823.] 



