FORAMINIFERA. 237 



Cristellaria articulata (Reuss). 

 Plate II., Figs. 37-38. 



1863. Robulina articulata Reuss, Sitzungsber. K. Akad. Wiss. 



Wien, vol. 48, p. 53, pi. v, fig. 62. 

 1870. Cristellaria articulata Reuss, Sitzungsber. K. Akad. Wiss. 



Wien, vol. 62,' p. 483. 

 1884. Cristellaria articulata Brady, Challenger Report, vol. 9, 



p. 547, pi. Ixix, figs. 1012, also figs. 1-4. 

 1898. Cristellaria articulata Bagg, Bull. U. S. Geol. Survey No. 



88, p. 54- 

 1905. Cristellaria articulata Bagg, Bull. U. S. G. S., No. 268, 



p. 34, pi. 6, fig. i. 



Description '"Test nearly circular, smooth, thickened, flat- 

 tened at the sides; obtusely angular peripheral margin; chambers 

 six or seven, broadly triangular, separated by depressed septa; 

 aperture oval, surrounded by a fissured border. 



"Diameter, 1.3 mm." (Bagg.) 



Remarks. "Prof. Brady considers this species a thick variety 

 of Cristellaria rotulata." (Bagg.) 



Formation and locality. Vincentown limesand, Vincentown, 

 Mullica Hill, Timber Creek (Bagg). 



Geographic distribution. New Jersey ; Miocene of California. 



Cristellaria cassis (Fichtel and Moll). 

 Plate II., Figs. 39-40. 



1798. Nautilus cassis Fichtel and Moll, Test. Microsc., p. 95, 



pi. xvii, figs, a, i. 

 1816. Cristellaria cassis Lamarck, Tabl. Encyl. et Method., pi. 



cccclxvii, figs. 3 a-d. 

 1884. Cristellaria ca\ssis Brady, Challenger Report, vol. 9, pp. 



55 2 , 553, pl- Ixvifi, fig. 10. 



1898. Cristellaria cassis Bagg, Bull. U. S. Geol. Survey No. 88, 



P- 54- 



1899. Cristellaria cassis Silvestri, Mem. Accad. Lincei, vol. 15, 



pp. 206-212, pl. vii, figs. 13-17. 



