mallomonas's Identifications

Magnification of photos: 400×, 400×, 400×, 400×, 400×, 400×, 1000×, 1000×, 1000×, 1000×, 1000× (oil immersion)
Habitat: muddy water from the edge of a swamp. Associated plants: Cephalanthus occidentalis
Using stage micrometer for calibration, estimated to be about 78 µm long.

Magnification of all photos: 1000× (oil immersion)
Habitat: muddy water from the edge of a swamp. Associated plants: Cephalanthus occidentalis
Using stage micrometer for calibration, colony estimated to be about 25 µm wide.

Magnification of all photos: 1000× (oil immersion)
Habitat: muddy water from the edge of a shallow pond. Associated plants: Boltonia asteroides
Using stage micrometer for calibration, individual estimated to be up to 14 µm long and 6 µm wide.