91 



XV. SUCCINEA. 



Shell oval-oblong, thin, with a very short conic spire ; 

 the lower volution very large : aperture ample, 

 longitudinal, oblique, entire at the base, with the 

 margin disunited at top : umbilicus none : oper- 

 culum none. 



73. Svcci-SE A amphibia. Shell oblong-oval, smooth, 

 glossy and transparent, reddish amber-colour : 

 aperture oblong-oval. 



Succinea amphibia. Drap. p. 58. t. 3.f. 22, 23. 



Brard, p. 72. t. 3.f. 1. 



Sowerhy^ Gen. f. 3. 



Succinea Mulleri. Leach, Mollusc, p. 7^. 

 Helix succinea. Turt. Diet. p. Q7 . 

 Helix putris. Mont. p. 37Q. t. IG./. 14. 

 Helix limosa. Dillwyn, p. 965, 



Shell three quarters of an inch long, and about half 

 as much broad, of a greenish, amber or orange- 

 yellow colour, very thin and transparent : spire 

 composed of three volutions ; the first extremely 



