Plate 16, 



F108. i and 2. Trochammina rotalifonnis. X 150. (After Balkwill and Wright.) 



3. Trochammina globulosa. X 20. 



4. Trochammina globulosa. X 20. 

 6. Trochammina glohigeriniformis. 



view. 



6. Trochammina glohigeriniformis. 



view. 



7. Trochammina suhturhinaia. X 20. 



8. Trochammina suhturhinaia. X 20. 



view. 



D2041, U.S.N.M. No. 10623a, dorsal view. 

 D2041, U.S.N.M. No. 106236, ventral view. 

 X 20. D2038, U.S.N.M. No. 10570a, dorsal 



X 20. D2682, U.S.N.M. No. 10607a, ventral 



D2383, U.S.N.M. No. 10648a, dorsal view. 

 D2383, U.S.N.M. No. 10648a, ventral 



105 



