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DESCRIPTION OF PLATES 4 & 5. 
Illustrating Mr. C. Clifford Dobell’s paper on “The Structure — 
and Life-History of Copromonas subtilis, nov. gen. 
et noy. spec.: a Contribution to our Knowledge of the 
Flagellata.” 
PLATE 4. 
Figs. 1-5 and 11-20 are drawn from living specimens, under a 2°5 mm. 
apochromatic water-immersion, with compensating ocular 12. The remainder 
are from permanent preparations—fixed hot sublimate-alcohol, and stained 
