26 SlDEBOTTOM, Foraminij r era from the Island of Delos. 



Plate III. 



Fig. Page. 



i-6. Polymorphina comftressa, d'Orbigny, Figs. 



1,2 x i2i, Figs. 3, 

 4 x 25, Figs. s,6 x 75 ... 13 



12-13. >j >> in the fistulose 



condition (Fig. 12, side view) x 25 ... 13 



7. „ myristiformis, Williamson x 25 ... 13 



8, 9. ,, lac tea, var. concava, 



Williamson x 50 ... 14 



10, n. ,, spinosa, d'Orbigny, sp. var. x 50 ... 15 



