PLATE LX. 



FIGS. 



1-4. Microgromia radiata (Brown) Hopk. (p. 27) Figs. 

 1 and 2. Longitudinal views of active individuals. 

 Fig. 3. Longitudinal view with the aperture closed. 

 Fig. 4. Oral view of test with the aperture closed, 

 x 700. After Brown. 



5. Diplochlamys fragilift Penard. (To represent D. leidyi 



Greeff, p. 31) Side view of living individual, the 

 aperture closed by the diaphanous membrane, 

 x 400. 



6. D. timida Penard. (p. 32) View of active individual. 



x 400. After Penard. 



7. D. vestita Penard. (p. 33) Oral view of living indi- 



vidual, the aperture closed by the diaphanous 



membrane, x 400. 

 8, 9. Difflugia, olliformis Lagerheim. (p. 40) Side and 



oral views of empty test, x 300. 

 10, 11. D. rubescens Penard. (p. 37) Fig. 10. Side view of 



active individual. Fig. 11. Oral view of empty 



test, x 300. 

 12, 13. Cucurbitella mexpiliformis Penard. (p. 48) Oral and 



side views of living individual ; Husthwaite, York- 

 shire, x 300. 

 14-16. Cryptodifflugia compressa Penard. (p. 52) Broad, 



narrow, and oral views, x 800. 

 17. C. sacculus Penard. (p. 54) Side view of active 



individual, x 800. 



