20 POPULAR ENTOMOLOGY. 



horny and curved; elytra smooth or simply striated; 

 body short, thick, and convex; colour metallic under- 

 neath, generally black above ; size moderate. Locality, 

 fresh dung. 



13. Scarabida. Antennae with a three-jointed club; legs 

 long, posterior pair placed far back; clypeus"* large 

 and advanced ; mandibles terminating in a long mem- 

 branaceous plate ; elytra somewhat square behind ; 

 body broad and depressed ; colour usually black ; size 

 small. Locality, manure. 



14. Aphodida. Antennae with a three-jointed club; man- 

 dibles short and dilated ; legs at equal distances ; body 

 elongated, oblong, or oval, and rounded at the extre- 

 mity ; clypeus large, concealing the mandibles ; colour 

 often black ; size very minute. Locality, sandy situa- 

 tions. 



15. Trogidce. Antennae with a three-jointed club; man- 



dibles horny ; maxillae with two lobes ; head deflexedf ; 

 wings sometimes wanting; body ovate; colour obscure. 

 Locality, sand-pits. 



16. Melolontkida. Antennae with a large club, of several 



plates; mandibles robust and horny; maxillae with acute 



* Shield of the niouth. f Bent down. 



