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. SUCCINEA 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. L 3./. 1. 



Sowerby, Gen.f. 3. 



Succinea Mulleri. Leach, Mollusc, p. 78. 

 Helix succinea. Turt. Diet. p. 67. 

 Helix putris. Mont. p. 376. t. 16. f. 14. 

 Helix limosa. Dillrvyn, 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 



