96 GASTEROPODA. CARYCHIADZ. 
Auricula minima, Drap. Hist. des Moll, 57. | 
Turbo Carychium, Mont. Test. Brit. ii. 339; M. & R. 
Trans. Linn. Soc. viii. 184; Dill. Desc. Cat. 880; Turt. 
Conch. Dict. 221. 
Odostomia Carychium, Flem. Edinb. Encycl. vii. 76. 
Testa (animale vivente) pallidé brunnea; anfractus ultimus 
totus et penultimus ad sinistram albi. 
Animal pallidé griseum, testaceum aut flavidum. 
Habitat in humidis muscosis, et ad graminum radices fre- 
quens. 
Shell pellucidly-white, or greenish, glossy ; the whorls faintly 
striated transversely. Aperture with three teeth. Height one- 
tenth of an inch. 
Colour of the shell, with the animal in it, pale brown; the 
whole of the last, and the left of the last whorl but one, white. 
Animal pale grey, testaceous, or yellowish. Aperture of the 
shell with one tooth behind, placed towards the left ; another 
tooth, which is obscure on the left side ; a third tooth on the 
right of the anterior aspect. 
C. minimum is not uncommon in moist situations under 
moss, and amongst the roots of grass. It is abundant amongst 
the rejectamenta of the Thames, between Eton and London. 
Genus 42. Tamintia. 
Auricula, Draparnaud. 
« Tentacula duo brevia, cylindrica, interné supra oculigera.”’ 
Testa acuminato-turrita; ad apicem mamillata. Apertura ad 
sinistram rotundata, acuminata ad dextram. Peritrema inter- 
né marginatum, posticé fortiter inchoatum. Umdbilicus sub- 
clausus. 
«‘Tentacula two, short, cylindric ; bearing eyes on the upper 
part of their inner aspect, at their base.”’ 
Shell acuminately-turrited ; its apex mamillated. Aperture 
on the left side rounded ; on the right side acuminated. Peri- 
treme internally margined, strongly commenced behind. Um- 
bilicus nearly closed. Upper whorls without any internal con- 
tinuation of the spire! 
