Mollusca of Great Britain. 365 
published in 1784,) several specimens have occurred to me, 
and one of the reversed distortion, among the rejectamenta 
of the Avon river near Bristol. It is, as Férussac, who has 
given a detailed description of the animal, very justly ob- 
serves, quite an anomaly in the genus. 
** Apertura marginatá, dentibus seu lamellis subcontinuis 
instructá : peristomio incrassato. 
2. Minimum. 
Animal albido-flavescens, pellucidum. Sustentaculum tenue, 
dilatatum. 
Testa ovato-subclavata, acuminata, nitida, pellucida, albida, 
(sub lente) argute et transversim striata. Anfractus 5, 
subtruncati. Apertura ovalis, lamellis 3, scilicet 1 colu- 
mellari et 2 labralibus munita: peristomio subreflexo. 
Umbilicus vix ullus. 
"Long. 0.07. —Diam. 0. 045. 
Carychium minimum. Müll. Verm. 2. p. 195. 
. Turbo carychium. Mont. Test. Brit. p. 339. t. 22. f. 2. 
Maton & Rackett in Linn. Trans. 8. p. 184. Dillw. 
Cat. 2. p. 880. 
Auricula minima. Drap. Hist. des Moll. p. 57. t. 3. 
f. 18, 19. 
Common at the roots of grass, &c. in moist places. 
35 Pony UM: 
Testa laren subfusiformis ^ labia, udi, dilute fusca. 
Anfractus 7, suturá vix conspicuá marginati. Aper- 
tura subcordata, sinuata, lamellis 5, nempe 2 inzequa- 
dibus 
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