St 



ft 



4 ' 



J • 



26 





^^ 



tC'Kh 5b) 





\ c 



PLATE V. FIG. 26. Whole amounts of the sympathetic thoracic chain ganglia of 

 experimental (E) and control (C) mice 19 clays old. Experimental mouse injected 

 with the NGF salivary factor from birth. ST, stellate ganglia. FIG. 27. Transverse 

 section of stellate ganglia (ST) in experimental (E) and control (C) ganglia of 

 Fig. 26. Sections through levels indicated by upper arrows in both chains of Fig. 26. 

 FIG. 28. Transverse section of superior cervical ganglia of two adult mice. E, mouse 



286 





