Report of U. S. National Museum, 1897.— Flint. 



Plate 18. 



Fig. 1. REOPHAX PILULIFERA Brady. See Page 273. 



Fig. 2. REOPHAX DENTALINIFORMIS Brady. See Page 



Fig. 3. REOPHAX BACILLARIS Brady, see page 274. 



Fig. 4. REOPHAX NODULOSA Brady. See page 274. 



a. Longitudiral Section. 



Fig. 5. REOPHAX ADUNCA Brady. See page 274. 



Fig. 6. REOPHAX CYLINDRICA Brady. See Page 274. 





