232 onchidiidje. 



Genus VERONICELLA, Blainville. 



Head retractile under the mantle ; eyes at the end of 

 elongate, cylindrical peduncles, which are not retractile 

 under the skin as in the Helicidas ; tentacles short and 

 bifid. Mantle smooth, coriaceous, thick, covering the entire 

 body. Foot linear, pointed behind. 



Shell none. 



Syn. Vaginulus, Ferus. Vaginula, Latr. Veroni- 

 cellus, Mke. 



Ex. V. Taunaisii, Ferussac, pi. 80, fig. 6. 



About ten species of this genus are known, which are 

 widely distributed, being found in India, Africa, the Phi- 

 lippines, South America, and the West Indies. 



Species of Veronicella. 



Kraussii, Ferus. Natalensis, Krauss. 



lrevis, Blainv. occidentalis, Guild. 



Langsdorfii, Ferus. soleiformis, UOrb. 



Liberiana, Gould. Tauuaisii, Ferus. 



Limayana, Less. Touranniana, Eyd. and Soul. 

 Luzonica, Eyd. and Soul. 



Fam. ONCHIDIID^E. 



Animal slug-like. Lingual membrane broad ; teeth 

 uniform, similar, in numerous, straight, transverse rows ; 

 the central single, short, narrow, equilateral; the lateral 

 numerous, nearly equilateral, with a broad, flat, sub- 

 central tip. Mouth provided with a buccal veil; no 

 horny jaws. Eyes at the end of non-retractile, cylindrical 

 peduncles; tentacles none. Mantle coriaceous, large, shield- 



