PLATE L. 



FIGS. 



1, 2. Lecythium granulatum (Schultz) Hopk. (p. 1 10) 

 After West, x 500. 



3,4. L. spinosum (Penard) Hopk. (p. 112) After Scour- 

 field, x 350. 



6-9. Pseudodifflugia gracilis Schlumberger. (p. 114) Figs. 

 6-8. Side views of active individuals. Fig. 9. 

 Oral view, x 500. 



10-13. P. fulva Archer.- (p. 117) Figs. 10, 12, 13. Side 

 and vertical views of active individuals. Fig. 11. 

 Side view of colourless test such as occasionally 

 occurs. x 500. 



