Copy 1

A conchological dictionary of the British Islands / by William Turton.

  • William Turton
Date:
1819
Catalogue details

Licence: Public Domain Mark

Credit: A conchological dictionary of the British Islands / by William Turton. Source: Wellcome Collection.

    332/366 (page 246)
    and the margin for the reception of the cartilage ; the other two short, the middle one the longest: length half an inch ; breadth something more. In the Firth of Forth: v ery rare. 30. Venus subrhomboidea. Rhombic Venus. Montagu, pl. 28. f. 2. Shell somewhat rhombic, rounded at one end and trun- cate at the other, irregularly wrinkled transversely, espe- cially towards the margin where the wrinkles are prominent but obtuse, and crossed by fine close-set longitudinal lines : color white, with a rufous tinge at the truncate side ; inside white, purplish where the rufous tinge is on the outside, with, a plain margin: beaks small, nearly central, inclining to one side: hinge with two strong plain teeth in each valve, one of them very oblique ; behind these the mar gin projects inwards, and then folding back forms a smooth reflexure, and a cavity between it and the outer edge of the shell be- hind the beaks for the connecting cartilage: length halfan inch ; breadth three-quarters. It “much resembles the Donax Irus; but that shell is always furnished with two cloventeeth in each valve, besides a plain tooth in one of them: and the transverse ridges i in this are more obtuse and not so laminar. Firth of Forth: very rare. 3]. Venus virginea. Maiden Venus. Jusier, pl. 403. £.247, and ple 404. f. 248—Pennant, pl. 58. f. 5—Linn. Trans. viii. pl. 2. £. 8—Dorset Cat. pl. 13. Fal, Shell rhombic oval, much produced at the cartilage side and rounded at both, with numerous regular concentric somewhat imbricate strize, interrupted by a a few antiquated furrows: color glossy yellowish-white or pale reddish- brown, sometimes plain, but mostly variegated and marbled with rosy or rich purple, sometimes streaked or spotted, and sometimes with broad oblique purple longitudinal rays, rarely pale rosy with two or three white rays ; inside white, and obtuse: beaks near one end, a little turned to the shorter side, with a long and narrow impression under , them :