Copy 1

A manual of the land and fresh-water shells of the British Islands / By W. Turton.

  • William Turton
Date:
1831
Catalogue details

Licence: Public Domain Mark

Credit: A manual of the land and fresh-water shells of the British Islands / By W. Turton. Source: Wellcome Collection.

    128/196 (page 120)
    smooth, glossy, transparent, whitish horn-colour : spire oblique, short, obtuse, consisting of three, rarely four volutions, the primary one large in proportion to the rest, with the sutures well de- fined : aperture as long again as the spire, with a smal] white plait on the pillar: umbilicus none. In the quiescent parts of rivers and in ponds, on the under side of the leaves of the Water Lily. 103. Limnevs glutmosus. Shell semiglobular, ex- tremely thin and inflated, amber-colour : spire with three scarcely produced volutions. Limneus glutinosus. Drap. p. 50. Limnea glutinosa. Sowerby, Gen. f. 5. Myxas Mulleri. Leach, Mollusc. p. 149. Helix glutinosa. Mont. p. 379. t. 16. f. 5. Shell about half an inch in diameter, extremely thin and transparent, of an amber or yellowish horn- colour, somewhat orbicular, with the outer lip much expanded : spire consisting of three and a half volutions; the smaller one lying nearly flat on the larger one, marked by a deep suture, and ending obtusely; the larger volution regularly striate: pillar without umbilicus. In stagnant ditches about Oxford.