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Activity of different species of land-snail on surfaces of different inclinations
Cain, A.J.; Cowie, R.H. (1978). Activity of different species of land-snail on surfaces of different inclinations. J. Conch., Lond. 29(5): 267-272
In: Journal of Conchology. Conchological Society of Great Britain & Ireland: London. ISSN 0022-0019; e-ISSN 2755-3531, more
Peer reviewed article  
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  • Cain, A.J.
  • Cowie, R.H.
Abstract
    Observations on active snails at night give some support to the suggestion of Cain ( 1977) that there is a tendency for high-spired snails (other than burrowers) to prefer vertical surfaces when crawling, and for those with disclike shells to prefer horizontal ones. Those with more-or-less globular shells show little preference. The absence or rarity of shells which are both tall and wide in most faunas may be due to a scarcity of surfaces of a rather narrow range of inclinations that would be appropriate to them. The overlap of more-or-less globular shells with both high-spired and disc-like ones is probably due to the preference of the globular ones for live herbaceous vegetation which is not favoured by the others.
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