The Mystery Diatom
all at once, might take a few moments...
An electron micrograph of the outside 
An electron micrograph of the inside 
An electron micrograph of an outside feature 
An light micrograph of the same thing 
An electron micrograph of an inside feature 
An electron micrograph of the areolae 
An electron micrograph of the wall 
Answer at the bottom of the
Diatom home page...
P. Roger Sweets
Biology, Dept., Indiana University
sweets@ucs.indiana.edu