1.5 x 1

Yesterday, Eric was doing some work at the microscope when he looked up and said I might want to take a look at something.  He was right, and I think you might like it, too:

 

A beautiful juvenile chiton!  Here's a close-up of one edge:

 

I wasn't kidding when I said juvenile chiton.  

 Below, we used a ruler marked with millimeters for scale:

 

This chiton was only ~1.5 mm long,

and only ~1.0 mm wide:

 

Not sure which species of chiton it is.  Perhaps Julia will recognize it?  :)