Fig.s. 1, la. Polytrema mineaceum i Linn. ), a common incrusting species of foraminifera from Murray Island; 

 fig. 1, natural size; fig. \a, X4. (Sec Dr. Cushman's article, pages 289, 290). 



Pig. 2. Goniolhhon orthoblastum ' Heydrich, M. A. Howe). Photograph of specimen from Murray Island, 

 natural size. The original specimens from New Guinea have more numerous, higher, and 

 more stalactiform elevations. Penciled crosses indicate places from which fragments were 

 taken for sectioning. 



