Chryfomela. COLEOPTERA. 47 



5 Thofe which are long, of a flender 

 make, and which have the thorax of e- 

 qual breadth with the abdomen. 



Linnaeus obferves that this laft mentioned 

 family differs a little from the preceding 

 ones, being more oblong, and the body more 

 elevated in the middle than on the fides, 

 but that he had not been able to difcover 

 the limits t by which they fhould be diftin- 

 gui(hed, nor any other genus under which 

 they could be more properly arranged. 



From thcfe different kinds of Chryfomeke 

 Geoffroy has formed feveral genera, viz. 



The Galeruca^ which differs from the other 

 Linnasan Chryfomelae in the roughnefs and mar- 

 gin of its thorax. 



The Chryfomela, whofe thorax is fmooth and 

 margined. 



The Crypt ocephalus, the articulations of whole 

 antennae are rather longer than in thofe of the 

 other Linnsean Chryfomelse, and the thorax of 

 an hemifpherical form. 



The 



