Plate 17. 



Fig. 1. Trochammina nana. X 120. (After Brady) a, dorsal view, 6, ventral view, c, 

 apertural view. 



2. Trochammina turbinata. X 20. D2289, U.S.N.M. No. 10560o. 



3. Trochammina conglobata. X 20. D2355, U.S.N.M. No. 10653. 



4. Globotextularia anceps. X 15. D2226, U.S.N.M. No. 10619a. 



5. Ammosphaeroidina sphaeroidiniformis. X 20. D2110, U.S.N.M. No. 10541a. 

 106 



