26 



THE FORAMINIFEEA 



kept in sea water. Further, in 185G Max Schultze 

 noticed an example of the same genus which, after 

 remaining on the side of a vessel containing sea 

 water for from eight to fourteen days, produced about 

 forty young individuals (fig. 16). Their shells con- 

 sisted of a central chamber with a second chamber 

 coiled partially round it. The condition of the 

 parent shells after this process was such that 



"^ 



Fig. 10. 



1. Miliolina from Trieste, surrounded with young, x 15. 2. A j'oung specimen more 

 highly magnified, showing extended pseudopodia. x 330. After Schultze. 



Schultze concluded that the protoplasmic contents 

 are used up in the formation of the young, for 

 nothing but a little granular matter remained 

 behind. 



Both Ehrenberg and Strethill Wright, a few years 

 later, observed the tiny shells of young SjnriUiita' 

 living within the mouth of the individuals of advanced 

 growth. This particular fact, indeed, suggested to 



