286 APPENDIX 



The Xenophyophoridae may therefore provisionally be placed in the 

 Class Foraminifera. 



FAMILY XENOPHYOPHORIDAE. 



Sub-Family PSAMMINIDAK, Without linellae. Not flexible. Genera 

 Psammetta, F. E. S. ; Psammijia, Haeck. ; Cerelasma, Haeck. ; Holo- 

 psamma, Carter ; Psammopemma, Marshall. 



Sub-Family STANNOMIDA. With linellae. Body flexible. Genera 

 Stannoma, Haeck. ; Stannophyllum, Haeck. (Fig. 1) ; t Stannarium, Haeck. 



LITERATURE. 



1. Goes. Ncusina agassizi. Bull. Mus. Harvard, xxiii., 1892, p. 195. 



2. Schultze, F. E. Die Xenophyophoren. " Valdivia" Exped. xi., 1905. 



3. "Siboga" Exped. Mon. iv. Us, 1906. 



4. Bull. Mus. Harvard, li. 6, 1907. 



