310 The Development of Chromatophores in Necturus 
of the cell, but it soon extends to the protoplasmic processes.. It is then 
possible to follow the constantly changing positions of the processes. 
re Oh GS 
Op Ee 
es ~ SS en ee 
_— —-~=> Sor GPa SS _ ee 
ea Ses See 
Fig.2 af: BE eae 
TS Sonus, deb 
This amceboid movement becomes more clearly defined as the chromato- 
phores approach the surface. 
Serial sections of larve of this stage show that the chromatophores are 
