120 



smooth, glossy, transparent, whitish horn-colour : 

 spire oblique, short, obtuse, consisting of three, 

 rarely four volutions, the primary one large in 

 proportion to the rest, with the sutures well de- 

 fined : aperture as long again as the spire, with a 

 small white plait on the pillar : umbilicus none. 



In the quiescent parts of rivers and in ponds, on the 

 under side of the leaves of the Water Lily. 



103. IjUI-^evs ghtmosus. Shell semiglobular, ex- 

 tremely thin and inflated, amber-colour : spire with 

 three scarcely produced volutions. 



Limneus glutinosus. Draj). ji. 50. 

 Limnea glutinosa. Sowerhy, Gen. f. 5. 

 Myxas Mulleri. Leach, Mollusc, jj. 149. 

 Helix glutinosa. Mont. p. 379. t. 16. f. 5. 



Shell about half an inch in diameter, extremely thin 

 and transparent, of an amber or yellowish horn- 

 colour, somewhat orbicular, with the outer lip 

 much expanded : spire consisting of three and a 

 half volutions ; the smaller one lying nearly flat 

 on the larger one, marked by a deep suture, and 

 ending obtusely ; the larger volution regularly 

 striate : pillar without umbilicus. 



In stagnant ditches about Oxford. 



