FORAMINIFERA; 



273 



Smith, in gatherings from the Bay of Biscay, near Biarritz, 

 are Melosira cribrosa, marine, orbicular, cellulate, cellules, 

 all equal and hexagonal. He writes : "In December, 

 1853, I received isolated frustules of this species, collected 



Fig. IGG.Foraminifera taken in Deep-sea Soundings. (Atlantic.) 



on the coast of Normandy, under the above name, from 

 M. de Brebisson ; and I have since detected the same in a 

 gathering from the Black Sea. In no case have I seen the 

 frustules in a recent state, and do not know whether they 

 ever form a lengthened filament. As this is the only cir- 

 cumstance that would justify their separation from Cosci- 



