60 



PULMONATA. 



Parmacelk Gervaisii, Moquin-Tandon, Joum. Institut, 184/", 

 n. 730; Mem. Acad. Moiitpel. 1847; Journ. Conch. 1851, 

 p. 145. 



Parmacelk , Dupuy, Moll. France, iii. Index, n. 220, 1849. 



Hob. South of France, on the arid plains of Crau and Les 

 Coutures [Faisse). 



6. Drusia? Alexandrinus. 



Rufous; back behind the shield keeled. Shell oblong, ear- 

 shaped, covered with the skin, -with a vestige of a posterior spire. 

 Body subcylindrical and blunt in front, acute behind, \a ith the tip 

 recurved behind the mantle, triangular, keeled. Mantle oblong, 

 short behind the micklle of the body. Colour pale reddish trans- 

 lucent, variegated with the blackish intestines ; soft part of the 

 mantle and hinder part of the back deep i-ufous ; front of body 

 very finely rugulose, hinder part with oblique, transverse, nearly 

 parallel lines. Tentacles four, two up])er elongate-eyed. Re- 

 spiratory aperture under the middle of the shell in "the hinder 

 part of the right side of the mantle. Head with a cuned line 

 on each side from the mantle to the lower tentacle, and two 

 contiguous lines on the middle of the back to the forehead. 

 Opening of the generative organs near the base of the right ten- 

 tacle. 



Parmacella Alexandrina, Ehrenb. Si/m. Phys. 1828. 



Moquin-Tmidon, Mem. Acad.Toulouse, 1850; Journ. Conch. 



1851, p. 145. 

 Morekt, Moll. Port. 43. 

 Hab. N. Africa; Alexancbia. (Ehrenb.) 



The figures from the living animal promised have not yet been 

 published, no part of the work having ai)2)eared for many years. 



7. Drusia ? Rangianus. 

 " Shell destroyed." 



Arion Rangianus, Ferussac, Bull. Sci. Nat. 182/, x. 300. 



Hab. Isle of France. 



- Allied to Arion extraneus, but not described. 



8. Drusia? MAURITIUS. 



Parmacella mauritius, Ferussac, Bull. Sci. Nat. 1827, x. 300. 

 Hab. Isle of France {Rang). 



" Mr. Rang sent Ferussac a drawing and a specimen of the 

 shell and animal. It is allied to P. Palliolum of the Brazils, but 

 is very chstiuct from it and its congeners." iS'ot further described. 



