Dear Henk, dear Harry, thank you very very much for your effective help.
Sincerely yours,
Lubos

> Dear Lubos and other ConchLers, The obdervation by Lubos is well-known. At
> least in the well-known Field
> guide to the land snails of Britain and North-west Europe by Kerney and
> Cameron (1969) the follwing is written in at least it's Dutch version (by
> Gittenberger, 1980): "In several species the eggs develop already into
> tiny
> snails within the body of the adult snail, which results in the birth of
> living young (for example in Balea perversa)." With other words these
> snails
> are indeed ovoviparous as Harry Lee already mentioned.
> Best regards, Henk K. Mienis
>>
>> Dear terrestrial CONCH-L enthusiasts, cordial regards from Czechia !>>
>> After longtime research in the family CLAUSILIIDAE I have encountered an
>> interesting occurence concerning only the species Balea biplicata.
>> Approximately 5 % of all found shells contain embryonic shells of Balea
>> biplicata, numbering according to my present findings 2 - 16 embryonic
>> shells in each adult shell!  In the past I considered similar finds
>> coincidental without giving the matter too much attention, however,
>> during
>> the last year I paid closer attention to such an occurence.  I would be
>> interest to know if anyone encountered a similar phenomenon (which points
>> to VIVIPAROUS propagation) in CLAUSILIIDAE.  Your opinion would be very
>> much
>> appreciated. Thank you very much.
>> Cheers, Lubos
>> http://lrk.host.sk

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