Descriptive Catalogue of the British Testacea. 193 
Habitat i in fluviis, fossis et napisi ragna Incola gent; tentaculis albis 
; oculisque nigris. 
Testa diametro i poll., bellucidi, Gorfitk, éd epidetthide brunnea. An- 
Sractus 4 teretes, striis longitudinalibus subtilissimis manifestis, trans- 
9 versis. 
fontana. H. testa compressa, obtuse carinata, hinc umbilicata; - 
£ — anfractibus tribus, utrinque convexis; apertura semi- . 
ovata. 
| Lightfoot in Act. Angl. 76. t. 2. f. 1—4. 
Montagu Test. Brit. p. 462. t. 6. f. 6. 
— Pultener y in Hutch. Dorset. t. 19. Jf 19. 
_ Habitat in aquis dulcibus. e 
Testa diametro vix, poll., pellucida, levis, pid, tai cornei. Similis 
 Nautilo lacustri, verum superne minus convexa, et absque concame- 
rationibus. i r j 
First noticed by Mr. Agnew, and described by 
- Lightfoot. Found at Bulstrode, Bucks; near Sand- 
- wich, Kent, in ditches; near Wareham, Dorset; and 
danh Bear Wedhampton, Wilts. 
10. 
paludosa, H. testa umbilicata, superne convexiuscula; apertura 
t 4. f.5. fere orbiculari, marginata ; margine. reflexo; 2 
- — Morton. Northampt. p. 417. re wi Ei ee 
Da Costa Brit. Conch. p. 50.” . 
| Walker. gu Te Min. Rar. Jf 23. "n dons | 
day CHE 
pi d: PE OTI 
Bs rubu sis seu P aepaldlis. 
Lightfoot in Act. Angl. 16. t.3. f. 1—4. Turbo Helicinus. 
Montagu Test. Brit. p. 441. H. Crenella. 
Habitat in paludibus, —À ripis, super folia pude haud in- 
irqüdie di d. a well l vog - 
you. yl. —— 2c Testa 
