LEONABDIA. 



493 



body. The foot, yellow in living examples, pale yellowish in 

 spirit-specimens, is marked with a brown impressed line in the 

 middle and exhibits numerous impressed transverse equidistant 

 lines. 



The accompanying figures have been copied from Tapparone 

 Canefri's plates, fig. 161 having been prepared from originals 

 drawn on the spot from living specimens by Signer Leonardo 

 Fea. 



Fig. 160. Leonardia nevilliana. 

 (Copied from Ann. Mus. Giv. Genova.) 



The species is surmised by Tapparone Canefri to have been 

 collected by Anderson, for, from Nevill's remarks, he inferred 

 that the species alluded to by the latter as a Veronicella from 

 Ponsee was identical. A spirit-specimen measured 93 mm. in 

 length. 



Reproductive System. As in all the members of this family 

 there are two distinct apertures, one from which the male organ 

 is extruded and the other the female genital orifice. The former, 

 as usual, is situated directly under the inferior tentacle ; the exact 

 place where the latter opens out has not been ascertained, but it 

 appeared to communicate with a small cavity situated near the 

 spot where the mantle comes in contact with the foot, exactly 

 above the anal orifice. The duct leading from the orifice to the 



