PLATE LXL 



FIGS. 

 1, 2. Centropyxis aculeata var. discoides Penard. (p. 34) 



Oral and side views of empty test. x 200. 

 3,4. C. arcelloides Penard. (p. 35) Oral and side views 



of empty test, x 300. 

 5, 6. Parmulina cyathus Penard. (p. 28) Side and oral 



views of living individual, x 400. 



7. Plagiopyxis callida Penard. (p. 46) Oral view of 



test, x 300. 



8. Diffiugia oblonga var. tennis Penard. (p. 36) Side 



view of active individual. x 400. 



9. D. oblonga var. bryophila Penard. (p. 37) Side view 



of empty test, x 400. 



10. D. manicata Penard. (p. 39) Side view of active 



individual. x 400. 



11. D. labiosa Wailes. (p. 39) Side view of test, from 



Anglesey, x 200. 

 12, 13. D. tuberculata var. minor Wailes. (p. 41) Side and 



oral views of active individual. x 400. 

 14-16. Nebela griseola Penard. (p. 57) Oral, and broad and 



narrow side views, of empty test. x 400. 

 17. N. scotica Brown, (p. 60) Broad side view of empty 



test, x 400. 



