264 



DR. J. F. GKMMILL ON CILIARY ACTION IN THE 



Text-fiafure 1. 



Diagram of lateral wall of stomodseum of Fleurohraehia, showing direction of 

 ciliary currents. 



If . 0., mouth-opening ; i^.O., funnel-opening. 



(For explanation see text.) 



Text -figure 2. 



Diagram of internal cavities of Fleurohracliia (transverse or infundibular plane in 

 plane of paper). The arrow-heads in the "walls of the cavities point in the 

 direction of the ciliarj^ currents. 



1. StomodsQum. S- Funnel. 3. Paragastric canal. 4- Tentacular canal. 

 5. Perradial canal. G. luterradial canal. 7. A sub-sagittal canal. 8. A sub- 

 transverse canal. 9. Adradial canal. 



