NO. 1 CUSHMAN, MCCULLOCH : ARENACEOUS FORAMINIFERA 57 



EXPLANATION OF PLATE 6 



Figs. 



1, 2. Haplophragmoides columbiense Cushman, var. evolut<um 

 Cushman and McCuIloch, new variety. 1, X 45. 2, X 70. 

 a, a, front views; b, b, apertural views. 2, Paratype. 



3. Haplophragmoides planissimum Cushman. X 18. a, front 

 view; b, apertural view. 



4. Haplophragmoides scitulum (H. B. Brady). X 30. a, front 

 view; b, apertural view. 



5, 6. Haplophragmoides hancocki Cushman and McCulloch, new 

 species. 5, X 45. Holotype. a, front view; b, apertural 

 view. 6, X 70. Paratype. 



7,8. Haplophragmoides subglobosum (G. O. Sars). X 90. a, a, 

 front views; b, b, apertural views. 



9-11. Haplophragmoides trullissatum (H. B. Brady). 9, X 50. 

 10, 11, X 25. a, a, a, front views; b, b, b, apertural views. 



