Fig. 2. Spleen of 6-week-old (AkxT6)Fi mouse sham-thymectomized at birth. 



(x 10.) 



Fig. 3. Spleen of 6-week-old (AkxT6)Fi mouse 

 thymectomized at birth, (x 12.) 



Fig. 4. Inguinal lymph node of 6-week-old 



(Akx T6)Fi mouse sham-thymectomized at birth. 



(X 16.) 



To face p. 388 



