Recent Foraminifera off the East Coast of Australia. 25 



minute, transparent sand-grains, of which each test is built, sparkle 

 brilliantly. The surface is rough, and the initial chambers are 

 dark, cement of a beautiful ruby colour being used. 



Clavulina d'Orbigny. 



Clavulina communis d'Orbigny. 



Clavulina communis d'Orbigny, 1826, Ann. Sci. Nat., vol. vii, p. 268, fig. 4. 

 C. communis d'Orbigny, 1846, For. Foss. Vien, p. 196, pi. xii, figs. 1, 2. 

 C. communis Brady, 1884, Chall. Rept., p. 394, pi. xlviii, figs. 1-13, 



Two forms are present, both being long. One is comparatively 

 smooth, and the later chambers are fitted on to each other in such 

 a manner as to cause the lower edge of the chambers to project- 

 slightly. The other form is rough, and the individual chambers 

 are scarcely discernible. 



{To he continued,) 



