278 GERxM-CELL CYCLE IN AxNIMALS 



^'"'■ll--}-^}^'''^.^^^^^ in the embryonic cells of the chick A In 

 cells of the primitive strenk- R Jt^a;.-^- "^c luilk. jt. m 



C In connective tissue cet, D. Int"a' "LrSf 'T'Z^ 'f^' 

 oerg, wi^, a, B, C, E, after Meves; D, F, after Duesherg.) 



