72 FORAMINIFERA 



Genus SOROSPHAERA H. B. Brady, 1879 

 Plate 3, figures 17, 18 



Genoholotype, Sorosphaera confusa H. B. Brady 

 Sorosphaera H. B. Brady, Quart. Journ. Micr. Sci., vol. 19, 1879, p. 28. 



Test consisting of a group of more or less inflated chambers, 

 in an aggregate ; wall with a chitinous lining and the exterior of 

 fine sand grains ; apertures minute, interstitial. 



Recent. In cold or deep waters, widely distributed. 



The separate globular masses are apparently independent. 

 The depressions that resemble apertures in the figure are de- 

 pressions made by broken spherical bodies cemented into the 

 test. 



Genus STORTHOSPHAERA F. E. Schultze, 1875 

 Plate 4, figures 1, 2 



Genoholotype, Storthosphaera albida F. E. Schultze 



Storthosphaera F. E. Schultze, II Jahr. Comm. Wiss. Unt. deutsch. 

 Meer in Kiel, 1875, p. 113. 



Test free, irregularly rounded, single chambered; wall thick, 

 of whitish fine sand very loosely cemented ; aperture indefinite. 

 Middle Oligocene to Recent. 

 The species are found in deep and cold waters. 



Subfamily 2. Saccammininae 



Test free, with a definite aperture ; wall of firmly agglutinated 

 sand or sponge spicules. 



Genus SACCAMMINA M. Sars, 1869 



Plate 4, figures 3-5 

 Genoholotype, Saccammina sphaerica M. Sars 



Saccammina M. Sars, Forh. Vidensk.-Selsk. Christiania, 1868 (1869), p. 

 248 (nornen nudum); in W. B. Carpenter, Ann. Mag. Nat. Hist., ser. 

 4, vol. 4, 1869, p. 289. 



Test typically free, sometimes attached, usually of a single 

 spherical chamber or occasionally of several attached ones ; wall 

 with a thin chitinous inner layer and outer single layer of sand 



