198 ZOOLOGY. 



1. Scarabceus. Beetle. Antennae or horns claTate, the 



tips lamellate. Plate 3, fig. I . Legs generally toothed i 

 body thick and compact. 



The Larva or grubs of this genus have six feet ; they ge- 

 nerally live under the ground, and feed on the roots of grass 

 and vegetables, and on the excrements of Animals ; in the 

 fly state they devour the foliage of trees, decaying wood, and 

 various putrid and foetid substances. 



2. Lucanus. Stag-Beetle or Chafjer. Antennce clavate, 



tips compressed, divided into lamella? on the inner side, 

 Plate 3, fig. I.jazss projecting beyond the head, toothed. 



la the grub state this genus is usually found in the hollows 

 of decaying trees, feeding on the finer parts of the wood. 

 The common Stag Bettle, L.Cervtis, is frequently seen in this 

 country, and is the largest of the European Coleopterous 

 Insects. 



3. Dermettes. Leather Beetle or Chaffer. Antennct 



clavate ; tips perfoliate, the three last joints larger than 

 the others ; Plate 3, fig. 3. thorax convex, slightly 

 marginated ; head retractile, or capable of being with- 

 drawn beneath the thorax. 



This genus usually abounds in furs, skins, and other dry 

 anknal substances, and are particularly injurious to collec- 

 tions pf Natural History. 



4. Ptinus. AntenncB filiform, the three last joints longest 



Plate 3, fig. 4. thorax roundish, without any djstiict 

 Margin ; head retractile. 



