60 ON THE ANATOMY OF MEGASCOLIDES AUSTRALIS. 
fibres, and never unite to form a single one, They are ciliated up to the point at 
which they open into the duct of the prostate gland (v. 0.) The latter is lined by 
columnar epithelial cells, continuous, at the opening of the structure, with the. 
epidermic cells. 
Fig. 31.—Section through the oviduct, showing the deep columnar ciliated cells 
of which it is formed. Those of the vasa deferentia being cubical. 
