Dear All:

I was just looking at some photos of living Euglandina rosea by Jim Miller
in American Conchologist 29(4):31, and was wondering about the function of
the 3rd set of cephalic tentacles (the eyeless ones that look like a curled
mustach when retracted). Since most stylommatophorans are herbivourous and
have only 2 pairs of tentacles, does this pair help the molluscivourous
Euglandina locate prey? Do other carnivorous land snails, including those
that feed on prey other than snails, have similar adaptations?

Yours, Andrew Vik

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