A short article concerning this subject has been published by:

Coomans, H.E., 1973. Conidae with smooth and granulated shells. Malacologia,
14: 321-325.
I can't remember whether he mentioned also an explanation of smooth and
granulated shells of the same species.

Best wishes for 2006 to all of you.

Henk K. Mienis

----- Original Message -----
From: "Jim Cootes" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, December 19, 2005 9:59 AM
Subject: Granulose Cones


> Dear Cone Lovers,
>
> Over my many years of collecting these wonderful shells one thing has
> always puzzled me. Why are there specimens that are granulose and others
> that are not, even though they are the same species?
>
> I have granulose specimens of a number of species:
>
> Conus arenatus
> Conus aurisiacus
> Conus chiangi
> Conus circumcisus
> Conus legatus
> Conus magus
>
> to name a few.
>
> Any ideas would be greatly appreciated.
>
> All the best,
>
> Jim Cootes
>


.
.
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