FORAMINIFERA. 251 



1870. Polymorphina lactea Brady, Parker and Jones, Trans. 



Linn. Soc. Loncl., vol. 27, p. 213, pi. 39, figs, i a-c. 

 1884. Polymorphina lactea Brady, Chal. Rept, vol. ix, p. 559, 



pi. Ixxi, fig. ii (typical), pi. Ixxii, fig. 14 (variety). 

 1898. Polymorphina lactea Bagg, Bull. U. S. G. S., No. 88, 



p. 61. 

 1898. Polymorphina lactea Bagg, Bull. Am. Pal., vol. 2, No. 10, 



P. 3i (325)- 

 1901. Polymorphina lactea Bagg, Md. Geol. Surv., Eocene, p. 



248, pi. 63, fig. 13. 

 1904. Polymorphina lactea Bagg, Md. Geol. Surv., Miocene, 



P- 477, pl- 133. %s. 5-6. 



Description. "Test ovate or subpyriform, only slightly com- 

 pressed; three or four chambers, scarcely visible externally; 

 aperture terminal, radiate. 



"Diameter, 0.87 mm." (Bagg.) 



Formation and locality. Navesink marl, Freehold (Bagg) ; 

 Hornerstown marl, Blue Ball (Bagg) ; Vincentown limesand, 

 Vincentown, New Egypt, Timber Creek (Bagg). 



Geographic distribution. New Jersey; Eocene of Maryland, 

 Miocene of Maryland. 



Polymorphina lactea elongate variety Brady. 

 Plate III., Figs. 24-25. 



1884. Polymorphina lactea elongate variety Brady, Chal. Rept., 



vol. ix, p. 559, pl. Ixxi, fig. 14. 

 1898. Polymorphina lactea elongate variety Bagg, Bull. U. S. 



G. S., No. 88, p. 61. 



Description. "Test similar to the preceding, but elongated. 

 "Length, 1.5 mm.; breadth, 0.6 mm." (Bagg). 

 Formation and locality. Vincentown limesand, Vincentown 

 (Bagg). 



Geographic distribution. New Jersey. 



