"Euglena viridis. A-D, four views illustrating euglenoid movements; E and H, enlarged views; F, anterior end further enlarged; G, resting form after binary fission; c. vac, contractile vacuole in H, reservoir in E and F; cy, cyst; fl, flagellum; m, mouth; nu, nucleus; oes, gullet; p, paramylum bodies; pg, pigment spot; r (in H), reservoir." -Parker, 1900

Euglena Viridis

"Euglena viridis. A-D, four views illustrating euglenoid movements; E and H, enlarged views; F, anterior…