PLATE XLVIII. 



Figs. 

 1—3. Trinema enchelys var. galeata Penard. (p. 91) Oral, 



side, and end views of empty test, x 600. 

 4, 5. T. complanatum Penard. (p. 94) Oral and side views 



of an empty test, x 600. 

 6-18. Corythion duhium Taranek. (p. 96) Fig. 6. — An 

 empty test of unusually elongated form. Figs. 7, 8. 

 — End and oral views of empty test. Figs. 9-11. — 

 Oral, end view, and section of a test. Fig. 12. — 

 Dorsal view of same in living state, its aperture 

 being in the normal horizontal position. Figs. IS- 

 IS.- — Empty tests of various forms. All x 500. 

 19-22. C. pulchellum Penard. (p. 98) Figs. 19, 20.— Broad 

 and narrow views of a living individual. Figs. 21, 

 22. — Two examples in broad view. The pseudo- 

 podia have not been observed, x 500. 

 23. Pseudodiffliigia archeri Penard. (p. 120) Lateral 

 view of active individual, x 400. 



