VERONICELLA. 3C3 



aceons, smooth, covering the back; orifice of respiratory sac 

 on the right side under the mantle margin. Foot narrow, 

 with a locomotive disk, simple posteriorly. Vent distinct, 

 posterior. Orifices of reproductive organs widely separated ; 

 male organ behind the right eye-peduncle, female orifice 

 midv/ay on the right side beneath the mantle. 

 Shell none. 



At present but one genus is known of this family, found also 

 in South America, the West Indies, India, South Africa, and the 

 Philippines. 



The Ve7-oniceUidas are most nearly allied to the Onchidiidae, 

 but are readily distinguished by their bifid tentacles. They are 

 truly terrestrial, being found in damp places in the forests (see 

 Veronicella). 



TERO]VICEL,L,A, Blainville. 



Body oblong oval when contracted, more or less linear when 

 extended ; mantle covering the whole body ; foot narrow, 

 wrinkled transversely as if composed of numerous rings, simple 

 posteriorly ; head distinct, and capable of being retracted under 

 the mantle ; buccal mass with a jaw and with papillae arranged 

 around the mouth ; tentacles two, bifid, unequal, contractile ; eye- 

 Fig. 538. 



Veronicella floridana. 



peduncles long and slender, annulated, obtuse and oculiferous at 

 tip. Pulmonary cavity on the right side, at about two fifths the 

 length of the animaf, and opening, by means of a tube running 

 along the side, at the posterior extremity, between the mantle 

 and the free point of the foot, in company with the anal opening. 

 Organs of generation separate and distant, the male organ pro- 



