JOURNAL OF MICROSCOPICAL SCIENCE. 



DESCRIPTION OF PLATE VI, 



Illustrating Dr. Strethill Wright's communication on 

 Ophryodendron abietinum. 



The Protozoa are represented seated in the angle between two cells of 

 Sertularia pumila. 



Fig. 

 1. — 0. abieiimm, with contracted proboscis and gemma (?) 



2. — „ with proboscis extended, and without gemma. 



3. — Proboscis more fully extended, and searching for food. 



4. — „ half retracted. 



