PLATE II 
Fig. 3. Microphotograph (x165) from a transverse section of the stomach 
of a tadpole in which the reduction in the length of this organ was 
initiated 
Fig. 4. Microphotograph (x165) from a transverse section of the stomach 
of a tadpole in which the reduction in the length of this organ was .well 
advanced 
Fig. 5. Microphotograph (x165) from a transverse section of the stomach 
of a tadpole in which the growth of this organ after reduction was 
initiated 
Fig. 6. Microphotograph (x165) from a transverse section of the stomach 
of a-young frog about the time feeding is resumed 
