PLATE XLVII. 



Tios. 



1-10. Trinema enchelys (Bhrenb.) Leidy. (p. 86) Fig. 1. — 

 Side view of active individual. Figs. 2, 3. — Side 

 and oral views of an empty test. Fig. 4. — Dorsal 

 view of an active individual. Figs. 5, 6. — Dorsal 

 views of active individuals. After Cash. Fig. 7. — 

 Conjugation of two individuals. Fig. 8. — Side view 

 of a test having lateral compressioi). Figs. 9, 10. — 

 Oral and side views of an empty test. All x 500. 

 11-21. T. lineare Penard. (p. 91) Figs. 11-15.— Outlines 

 of tests. Fig. 16. — Abnormal test with evaginated 

 aperture. Figs. 17-21. — Active individuals. All 

 X 500. 



