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Garden Snail Helix aspersa
2013-10-14 09:41:55

The Garden Snail (Helix aspersa) is a species of land snail, a terrestrial pulmonate gastropod mollusk belonging to the family Helicidae, the typical snails. This species is one of the most famous of all terrestrial mollusks. It has been placed in the genus Helix, in all sources between 1774 and 1988, and in most sources until rather recently. But in numerous sources since 1990, this species...

Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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