LI 
12, 18. 
14-16. 
17. 
PLATE LXI. 
. Centropyxis aculeata var. discoides Penard. (p. 84) 
Oral and side views of empty test. x 200. 
. C. arcellotides Penard. (p. 35) Oral’ and side views 
of empty test. x 300. 
. Parmulina cyathus Penard. (p. 28) Side and oral 
views of living individual. x 400. 
Plagiopywis callida Penard. (p. 46) Oral view of 
test. x 300. 
Diffiugia oblonga var. tenuis Penard. (p. 36) Side 
view of active individual. x 400. 
D. oblonga var. bryophila Penard. (p. 37) Side view 
of empty test. x 400. 
. D. manicata Penard. (p. 39) Side view of active 
individual. x 400. 
D. labiosa Wailes. (p. 39) Side view of test, from 
Anglesey. x 200. ' 
D. tuberculata var. minor Wailes. (p. 41) Side and 
oral views of active individual. x 400. 
Nebela griseola Penard. (p.57) Oral, and broad and 
uarrow side views, of empty test. x 400. 
N. scotica Brown. (p. 60) Broad side view of empty 
test. x 400. : 
