PLATE XLL 



FIGS. 



1-4. Assulina seminulum (Ehrenb.) Leidy. (p. 54) Figs, 

 1-3. Broad, narrow, and oral views. x 600. 

 Fig. 4. Broad view of an abnormally large indi- 

 vidual from Goathland, Yorkshire. x 300. 

 5. A. seminulum var. scandinamca Penard. (p. 54} 



x 300. 



6-9. A. muscorum Greeff. (p. 55) Fig. 6. Broad view, 

 x 800. Figs. 7-9. Broad, narrow, and oral views. 

 x 500. 



