THE FORAMINIFERA 



all the stained substance present being in the form of such 

 irregular strands. 



Reproduction of the Microspheric Form. The first indication of 

 the approach of the reproductive phase as seen in the living animal 



IP,. 



- 



FIG. 10. 



a-c, stages in the reproduction of the microspheric form of Polystomella crispa. Drawn from 

 photographs of one specimen attached to the side of a glass vessel. 



is a great increase in the number of the pseudopodia. They 

 are so abundant that when the specimen is attached to the side 

 of a glass vessel and seen by transmitted light, they form a 

 conspicuous milk-white halo about the brown shell (Fig. 10, a). 

 The halo is at first composed of clear hyaline protoplasm, but in a 



