Descriptive Catalogue of the British Testacea. 217 
_ subulata, nec basi ventricosa. toris minus dilatata, Intus purpu- 
4n doe qus vel; hiii unneus. Z4ncoía cinereu .slbido punctatus. 
fossaria. H. testa imperforata, . pee oe anfractibus 5 vel 6, 
t 5.f-9. rotundatis ; sutura conspicua ; apertura ovata. 
Montagu Test. Brit. p. 372. t. 16. f. 9. —— 
Habitat in fossis et aquis stagnantibus supra limum, haud infrequens. 
Testa $ poll. longa, plusquam 4 lata, tenuis, pellucida, nec transverse ru- 
gosa, cornei coloris; H. palustri quam maxime affinis, sed vix un- 
quam cum illa reperta, duplo minor, ac utplurimum magis attenuata. 
Anfractus m totsiiiii Sutura evidentior. 2c: xam minus ob- 
aiia 
This species app ios shane: kabui -atinguished 
by Mr. Montagu. He has found it in many parts of 
the kingdom. | 7 
58. - B Hio te : 
detrita. H. testa conica, alba, lineis transversis rufis; apertura 
^5... ovata. Linn. Gmel. p. 3660. n. 139. 
Schroter Erdconch. t. 1. f. 1. 
Tavanne Conch. t. 65. f. A. 5. 
Chemn. Conch. 9. t. 134. f. 1224.1,2. 2 
Pulteney in Hutch. Dorset. p. 49. t. 19. .f. 26; 
Montagu Test. Brit. p. 384. t. us - y 
. Habitat in stagnis et rivis? rarissima. — 
` Testa 4 poll. longa, 3 lata, glabra, poli ta,  édipellucids, Miis, vel pallide 
cornea, strigis obsoletis, in quibusdam obliteratis. Anfractus 6 minus 
_ prominentes. : Apertura. ovata. eee aliquantulum 
reflexum, i in subui Apex obtusior. 
Found only by Mr. ce in a stream, near Upway, 
in Dorsetshire. 
__ Dr. Pulteney, who described Aar species in his Dor- 
_ setshire Catalogue, doubts whether it be really Helix 
osos detrita of Gmelin and Muller. All the specimens are 
5 voL. HI. 2r destitute 
