COLEOPTERA 173 



idse and Anthribidae: with antennae straight and ventral segments free, the 

 first without labrura and the second with prosternal sutures distinct. 



Ch;>scmelidae: I'eet apparently four-jointed, the fourth joint very minute 



Figure 186 Structure of a beetle. 



antennse not distinctly clavate, shorter than legs. Lariidas: front long al- 

 most snout-like. 



Cerambycidae: similar to Chrysomelida but with long antennae, (in doubt- 

 ful cases the subcylindrical shape of body will aid in distinguishing this fam- 



