aihicidi Hi testi ial e 
ria. 
iptive Catalogue of the British Testacea. 221 
Bites noticed and yess be Me teal plenti- 
ta, ovata, obtusa; spira acuta, bre- 
vissima ; apertura ampliata. Linn. Fauna Suecica, 
n. 2192. Syst. Nat. p. 1250. n. 108. - ien. Gmel. 
^ p. 3662. 
Lister Anim. Angl. t. 2. f. 23. peepi t 193. f. 22. 
Ginann. Op. Post. t. 1. f. 3. 
Gualt. Test. t. 5. f. F. 
. D’Argenv. Conch. t $1. f T 
Geoffr. Test. 3i Lai a 
. Muller Verm. 2. p. e. e 392. 5 (on : an d 
Murray in Aman. Acad. 8. t. 1. f : ANS 
Pennant Brit. Zool. t. 86. f. 3388... = 
Da Costa Brit. Conch, p. 95. t. 5. f. AT. ^ 
Schrót. Flussconch. t. 6. f. 4, 5. | 
Favanne Conch. t. 61. f. E. 3. & E. 11. 
Chemn. Conch. 9. t. 135. f. 1241, 1242. 
Pulteney in Hutch. Dorset. p. 49. t. 21. S vd 
Donovan Brit. Shells, t. 51. J- 1. 
Montagu Test. 
d rit. P. 375. E = f £o 
Sehnite- Erdeonch. t. dem un 
|. Chemn. Conch. 9. t. 135. f. 1946, 1947. - a 
- Montagu‘ Test. Brit. p. 381. t16. Y H. ` inzag 
Habitat in aquis, stagnantibus, et rivis, vulgaris. 
Testa 1 poll. longa, } lata, tenuis, fragilis, pellucida, eed alba, seu flaves- 
cens, anfractu primo maxime ventricoso seu inflato, minutissime 
"transversim striata. Apertura patentissima, labro — margine 
- reflexo, Columella uniplicata. '- 
. The variety is PET a young shell af this species. 
| "The 
