is; 



De Montford, tliough a bit of a charlatan in the literature of concho- 

 logy, founded some very excellent genera, with this among the number. 

 The Scarabi, of which many more species are known than are named, are 

 all of the same pyramidally ovate solid growth, and agree to a considerable 

 extent in painting, but the character which entitles them chiefly to rank 

 as a genus, is the presence of a row of varices on either side, coupled with 

 a striking uniformity in the construction and dentition of the aperture. 



According to the observations of Mr. Arthur Adams in Borneo and 

 Celebes during the voyage of the ' Samarang/ the Scarabi are wholly ter- 

 restrial, inhabiting moist spots in woods, and feeding on decayed vegetable 

 matter among the tree-roots or under dry stones. 



1. castaneus, Lesson. 



2. Cumingianus, Petit. 



3. irabrium, Montford. 



4. lekithostoma, Reeve. 



Species. 



5. Lessoni, Blainville. 



6. Petiverianus, Ferussac. 



7. plicatus, id. 



8. pyramidatus, Reeve. 



9. striatus, Reeve. 



10. trigonus, Troshel. 



11. undatus, Lesson. 



Figure. 



Scarabus imbrium. PI. 19. Fig. 104. Shell, showing its solid ob- 

 tusely pyramidal growth, with the lateral varices, and peculiar wart- 

 toothed aperture. 



Genus 3. AURICULA. 



Animal ; head broad and short, having two tentacles, with eyes at 

 their inner bases ; mantle thickened at the edge ; foot oblong. 



Shell ; ovate, or ovate-oblong , rather solid, covered with a brown 

 epidermis ; columella either toothed or strongly plaited ; aper- 

 ture longitudinally ovate, rounded and entire at the base, with 

 the lip sometimes simple, sometimes thickly reflected. 



The Auricula, which have been long known to naturalists by the only 

 two species even now discovered of any material size, the Midas' and 

 Judas' Ears, may be said to be the land or marsh representatives of the 

 marine Volutes. They comprise the few shells among the pulmo-branchiate, 

 or air-breathing mollusks, that have strong plaits winding round the colu- 

 mella, and they are never channelled at the base, as is the case with the 



