DESCRIPTION OF PLATE VII., 



ILLUSTRATING 



REV. E. O'MEARA'S SECOND PAPER ON NEW DIATOMS FROM DREDG- 

 INGS MADE OFF ISLANDS OF ARRAN, CO. GALWAY (p. 155). 



Fig. 1. 



Coscinodiscus fascicutatus, x 600. 



,, 2. 



. Eupodiscus excentricus, x 800. 



„ 3. 



Stauroneis rhombica, X 600. 



n 4 - 



„ costata, X 600. 



„ 5. 



Cocconeis clavigera, x 600. 



„ 6. 



„ Wrightii, x 800. 



,i 7. 



„ Fortei, x 800. 



,, 8. 



Rhaphoneis liburnica, var. x 600. 



„ 9. 



,, sub orbicular is, x 600- 



„ 10. 



„ Jonesii x 600. 



„ 11. 



,, Moorei x 600. 



„ 12. . 



,, Archerix 600. 



