ORDER COLEOPTERA. 563 



In others, the penultimate articulation of the tarsi is very 

 small, in the form of a little knob, and received into a longi- 

 tudinal gutter of the preceding, which is more dilated than 

 the foregoing ones, and almost in the form of a heart. 



The anterior edge of the head presents an emargination 

 occupied by a portion of the labrum. 



Heterotarsus, Latr. 



A sub-genus founded on an insect of Senegal, having the 

 character of tenebrio, but singular from its tarsi. At the 

 first glance the four anterior tarsi appear to have but four 

 articulations, and the other two, three. 



need of purification, many species being referable to the Phaleris, or 

 other sub-genera. Some may even form new ones. 



•J o 'J 



