Dr. John Dolan

Dr. John Dolan

Laboratoire d'Océanographie de Villefranche
Villefranche-sur-Mer, France
Specimen: Diatom (microscopic alga), Corethron sp., from the Amundsen Sea, Antarctica. The central part of the cell from which the spines protrude is about 40 microns wide.
Technique: Differential interference contrast and image stacking