AET, 6 FORAMINIFERA: POLYMORPHINIDAE — CUSHMAN AND OZAWA 43 



roemeri in its general aspects. We have three specimens from the 

 original locality: Tortonian, Grunes Kreuz, Nussdorf, Vienna Basin, 



Austria. 



GUTTULINA LACTEA (Walker and Jacob) 



Plate 10, figures 1-4 



Serpula tenuis ovalis laevis Walker and Jacob, Test. Min., 1784, p. 2, pi. 1, 

 fig. 5. 



Serpula lactea Walker and Jacob (fide Kanmacher) , Adams Essays, ed. 2, 

 1798, p. 634, pi. 14, fig. 4. 



Polymorphina lactea Williamson, Recent Foram. Gt. Britain, 1858, p. 70, 

 pi. 6, figs. 145-152. — H. B. Brady, Proc. Somerset Arch. Nat. Hist. 

 See, vol.13, 1865-66 (1867), p. 114, pi. 3, fig. 49.— H. B. Brady, Parker, 

 and Jones, Trans. Linn. Soc, vol. 27, 1870, p. 213, pi. 39, figs. 1 c, 6 

 (not 1 c). — Terquem, Essai Class. Anim. Dunkerque, 1875, p. 37, pi. 5, 

 fig. 12; 1876, p. 79, pi. 10, figs. 19, 20.— Bagg, U. S. Geol. Survey, Bull. 

 513, 1912, p. 71, pi. 21, fig. 12 (not fig. 16 a, &).— Ctjshman, Bull. 104, 

 U. S. Nat. Mus., pt. 4, 1923, p. 146, pi. 39, fig. 9 (not fig. 11). 



Guttulina lactea Ozawa, Contr. Cushman Lab. Foram. Res., vol. 5, 1929, p. 

 36, pi. 6, figs. 6-10. 



Guttulina deplanata Reuss, Sitz. Akad. Wiss. Wien, vol. 18, 1855 (1856), p. 

 246, pi. 6, fig. 67. 



Test ovate, rounded triangular in section, tapering but little, 

 rounded at the base; chambers elongate, somewhat compressed, 

 arranged in a contraclockwise, quinqueloculine series, often tending 

 to become a sigmoid series, each succeeding chamber very slightly 

 removed from the base; sutures depressed, distinct; wall smooth, 

 translucent; aperture radiate. 



Length 0.60-0.85 mm.; breadth 0.35-0.40 mm.; thickness 0.20-0.28 

 mm. 



This is the earliest figured species belonging to the family of the 

 Polymorphinidae, obtained in the sand of the seashore near Sandwich, 

 England. Although the figures are small and can be hardly con- 

 sidered as well drawn, and moreover, the description being very 

 simple, yet they are sufficient to show that the figured specimen has a 

 rather compressed test, the chambers of which are arranged in a 

 contraclockwise, quinqueloculine series, and in these respects it has 

 the same characters as one of the forms figured by Williamson in the 

 Foraminifera of Great Britain, 1858.^ Williamson's other two 

 figures identified as Polymorphina lactea are different from Figure 147 

 in their acute initial end and biserial arrangement of later chambers. 

 They are similar to Polymorphina subcompressa d'Orbigny {=" Poly- 

 morphina compressa d'Orbigny). Such a biserial Polymorphina is 

 also described by Fleming under the name of Vermiculum lacteum as 

 early as 1822. Williamson's figme is well drawn and was taken by 

 Brady, Parker, and Jones as a typical specimen representing Poly- 



8 PI. 6, flg. 147. 



