ORDER COLEOPTERA. 225 



Epomis, Bonelli, 



To which we join Dingdes, in which the last articulation of 

 the palpi is a little more dilated.* 



The genus Lissauchenus, of Mr. Macleay (the son), Ann. 

 Jav. I. i. 1., appears to me to differ but little from the pre- 

 ceding. 



The others have, most frequently, the mandibles very 

 obtuse, or, as it were, truncated and forked, or bidentated 

 at their extremity. Their labrum is distinctly emargi- 

 nated, or bilobate, and the anterior portion of the head from 

 which it originates, is bordered, and often concave. The 

 emargination of the chin presents no tooth. The palette of 

 the tarsi of many of them is broad, and almost orbicular. 



These have the mandibles terminated in a point, without 

 emargination or tooth below it. 



The palette of the tarsi of the males is formed by the first 

 three articulations. 



Rembus, Lat. 



The labrum is bilobate. The external maxillary palpi are 

 filiform, and the last articulation of the labials is a little 

 swelled, in the form of a reversed and elongated cone. 



The head is narrow, relatively to the breadth of the body. 

 The antennae and palpi are slender.-}- 



Dic^Lus, Bon. 

 The labrum is simply emarginated with an impressed and 



• Dinodes 7'ufipes, Bon. Dej. Spec. II. p. 372; Carabus azureus, Duft. 

 Chkenius azureus, Sturm, V. cxxvii; Epomis circumscriptus, Dej. Spec. 

 II. p. 369 ; Carabus cinctuSy Ross. Faun. Etrusc. I. iv. 9 ; Carabus crcBsus, 

 Fab. 



-j- Rembus politus, Dej.; Carabus politus. Fab.; Herbst. Archiv. XXIX. 

 2 ; R. Impressus, Dej. ; Carabus imj)ressu^. Fab. 



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