Mollusca of Great Britain, ii ; • i 353 



4. Plicatula. 



Animal 



Testa ventricosa, tenuis, pellucida, fuscescens, striis 40 — 50 

 ad aperturam confertioribus exarata. Apertura dila- 

 tata, subquadrata, plicis 2 columellaribus distantibus, 

 mediisque 2 vix 3 minoribus instructa : peristomio albo, 

 tenuiore. 



Long. 0.4. — Diam. 0.1 fer^. 

 Clausilia plicatula. Drap. Hist, des Moll.' p. 72. t.4. 



f. 17, 18. 

 Rolphii. Leach Mss. 



For this shell I am obliged to Mr. Dillwyn, to whom it 

 had been sent by Dr. Leach. Charlton wood, Kent, is 

 mentioned by him as its locality. 



5. Labiata. 



Animal ■ 



Testa subventricosa, subopaca, fuscescenti-cornea, clathra- 

 tim striata. Anfractus 10, sutur4 indistincti. Aper- 

 tura suborbiculata, dilatata, plicis 2 columellaribus in- 

 structa : peristomio albo, incrassato. 



Long. 0.65.— Diam. 0.125. 



Clausilia solida. Drap. Hist, des Moll. p. 69. t.4. 



/. 8, 9. 

 Turbo labiatus. Mont. Test. Brit. p. 362. t. 11. f. 6. 

 Maton ^ Rackett in Linn. Trans. 8. p. 180. Dillw. 

 Cat. 2. p. 875. 



I observed a specimen of this shell in the extensive col- 

 lection of Mr. Lyons of Tenby, who said it came from Hyde 

 Park, near the Serpentine river. 



2 z 2 6. Ventricosa. 



