Hello Paul,
In reply to your statement :
 
>My humble opinion only, but I have a large series of gilchristi from Natal
>which intergrade fully to tinianus. They are the same species as far as I
>can see. Arranged in a row, the pale blue-white of gilchristi is gradually
>punctuated with patches of tinianus' patterning until the bodywhorl is
>completely covered; spire pattern and early whorl sculpture are identical
>in all specimens.
>
 
I must disagree with you !! Maybe you are mixing up tinianus with natalis,
but the real tinianus is very different from gilchristi and the ranges
hardly, if ever overlap !
 
Looking forward to your comments.
 
Regards,
 
Brian
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