Growth and Differentiation in the Nervous System 273 



MIGRATION IN THE CEREBELLUM 



PURKINJE CELLS 



-^PURKINJE CELLS 



8 DAYS 



1 1 DAYS 



^ PURKINJE CELLS 



^ 





14 DA YS 



PURKINJE CELLS 



FIG. 4. Diagrammatic representation of the migratory movements of the Purkinje 

 cells in the cerebellum of the chick embryo. 



