Descriptive Catalogue of the British Testacea. — 127 
15. 
Hypno- B. testa ovata, pellucida, sinistrorsa; spira prominente ; 
rum. . apertura ovato-lanceolata. Linn. Fauna Suecica, 
n. 2159. Syst. Nat. p.1185.n. 387. Linn. Gel. p. 3428. 
- Petiver Gaz. t. 10. f. 8. 
Lister Conch. t. 1059. f. 5. — 
E Schrot. Flussconch. t. 6. f. 9. 
| Watker Test. Min. Rar. t. 2. f. 54. 
| | - Muller Verm. p. 169. n. 354. Planorbis turritus. 
Chemn. Conch. 9. t. 103. f. 882, 883. 
Montagu Test. Brit. p. 228. bu. cas: 
Pulteney in Hutch. Dorset. t. 18.f. 20. : ; 
Habitat in aquis dulcibus. 
Testa longitudine seminis avenze, sed crassior, pelle, subflava, tenerrima;. 
prominens, eblonga, minus acuta, spiris seu anfractibus quatuor, si- 
` nistrorsum flexis. | Apertura oblonga est, cum spire infime latitudo 
superat totum corpus teste superioris, ( Linn.) 
Figured and described by Petiver, who says it is 
found at Mitcham, Surrey; and in ponds and ditches 
about London. Found near Exeter, and in Wiltshire, 
ofa large size, by Mr. Montagu. We have received it 
from Keme ss og 
6; 
Se B. testa a advice, levi, apertura angustissima. 
< Lister Conch. 3.714. fe 10. ives 21 
Pennant Brit. Zool. 4. t. 70. f. 85..— m 
Pulteney in Hutch. Dorset. p. 40. 1. 18. 8.f 99. 
Donovan Brit. TS t. 190. f. 9. 
Habitat in mari. ; 
Testa 4 poll. longa, vix 2 lata, alba, pellucida, nitida. edit linearis;. 
basi paululum. cie Spira vix apparet. 
First noticed by Lister, who had it from. Barnstaple, 
Des. Found at eyma, pH D Teeney: at 
S . Falmouth, 
- 
