Easy!

Micro shells can be any size when

If you are short-sighted the shell touches your eye-brown before you can see
it;

If you are far-sighted your arm is not long enough to see it!

Marcus



Marcus Coltro
WWW.FEMORALE.COM

---- "Monfils wrote:
 > Which raises a question -  just what size is the upper limit for a "micro
 > shell"?  I hear various opinions - 3 mm, 5 mm, 6 mm, 10 mm -  I realize
 > there is no objective hard and fast rule, but what are people's opinions
on
 > this, and why?

----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------