*- 
Descriptive Catalogue of the British Testacea. 181 
Habitat in muscosis, vel in fissuris corticis arborum, rarissima. 
Testa & poll. longa, 4 lata, pallide brunnea: .4afractus 9 plani, striis 
numerosis densis regularibus ; vix a sutura distincti, quse fere obliterata. 
Distinguitur a czeteris ab apertura marginata et anfractibus haud pro- 
minentibus. 
This species appears to have been described by Da 
Costa. It has been found by Mr. Swainson in ozier- 
grounds, at Dattersea, Surrey. 
SE 
perversus.'T. testa turrita, pellucida; anfractibus contrariis; aper- 
t. 5. f.2. tura edentula. Linn. Fauna Suecica, n. 9112. Syst. 
. Nat. p. 1240. n. 650. 
Lister Anim. Angl. t. 9. f. 11. 
Schrot. Erdconch. t. 1. f. 5. 
Favanne Conch. t. 65. f. I. 4. 
Chemn. Conch. 9. t. 112. f. 959. a. 
Linn. Gmel. p. 3609. - : 
-Pulteney in. Hutch. Borar p- 46. f. 19. TE. 
Montagu Test. Brit. p. 355, t-11. f. 12. 
Habitat in muscis, ad radices arborum, rarior. 
Testa 4 poll. longa, pellucida, subflava; spiris- 8 sensim minoribus; in. 
longum producta; apice obtusiusculo sensim attenuato. Spiris si- - 
_ nistrorsum euntibus, Aes Fn: Suec Suec. p. € VAM obsoletus in. 
senioribus. ^^. E 
. First noticed by Tube. Fadi in W iltshire, Dor- 
csetshire, Pesensbire, and Cornwall ; but not common.  - 
i E 
tridens. "T. testa. PAR i levis: animetibne D vel 1 pla- 
niusculis ; apertura tridentata. 
Linn. Gmel. p..3611.. 
Gualt.. Test. t. 4. f. F.. 
Muller Verm. 9... 106. n.305. =- 
Pulteney in Hutch. Dorset. p. 46. t..19. f. 12. 
Montagu Test.. Brit. p. dd. Clk f 2. 
-Habitat rarissima. 
Testa 4 poll. longa, 1 lin. lata, peer eben, colore pallide corneo. 
Anfractus 
