286 APPENDIX 



The Xenophyoplioridae may therefore provisionally be placed in the 

 Class Foraminifera. 



FAMILY XENOPHYOPHORIDAE. 



Sub-Family PSAMMIXIDAH-. Without linellae. Not flexible. Genera 

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

 psamma, Carter ; Psammopemma, Marshall. 



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

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



LITERATURE. 



1. Goes. Ncusina agassizi. Bull. Mus. Harvard, xxiii., 1892, p. 19f. 



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



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



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



