Mio. ... Mollusca of Great Britain. 325 



Genus I. SUCCINEA. Drap. 



Animal redundans, gelatinosum : tentaculis brevibus, inflatis : 



sustentacula crasso. 

 Testa ovato-conica : spird exsertd ; anfractu ultimo majore : 



aperturd arapl^. 



1. PUTRIS. 



Animal griseo-maculatum. Tentacula concentric^ rugosa. 



Testa ampullacea, fragilis, nitida, glabra, subflava. An- 



fractus 3. Apertura ovata, marginibus dispunctis. 



Long. O.6.— Diam. 0.35. 

 Succinea amphibia. Drap. Hist, des Moll. p. 58. t. 3. 



f. 22. Lam. Hist, des Anim. sans Vert. 6. p. 135. 

 Helix putris. Linn. Syst. Nat. 1. p. 1249. 

 — — succinea. Miill. Verm. 2. p. 97. 



liraosa. Dillw. Cat. 2. p. 966. 



a. Minor, oblonga ; apertura effusiore. 



Common, in marshy places, on the water-flag ; but not, 

 as the name given to it by Draparnaud imports, amphi- 

 bious. 



2. Oblonga. 



Animal nigro-griseum. Tentacula ferfe conica. 

 Testa ovata, subventricosa, nitida, substriata, rufescenti- 



cornea. Anfractus 3 vix 4, producti : siiturd distinctd. 



Apertura ovalis, peristomio subcontinuo. 



Long O.3.— Diam. 0.15. 



Succinea oblonga. Drap. Hist, des Moll. p. 59- t.S.f. 24. 



In great abundance in a ditch at Britonferry near Swan- 

 sea. 



Genus 



