We had the annual “looking at muck down a microscope” practical last week. As usual, the best thing we saw was a ciliate in some pond water, in this case a little trumpet animalcule: Previous winners: Vorticella and Lacrymaria. The Ciliata really are the phylum that keeps on giving.
![Stentor sp. [CC-BY-SA-3.0 Steve Cook]](https://www.polypompholyx.com/wp-content/uploads/2014/12/Stentor_sp.-244x300.jpg)