Studies on the Eudocrine Gland.*- 



325 







Fig. 5. — Section of pituitary of male rat fed with an addition to its ordinary food of 

 1 grm. of dry ox-thyroid per diem during seven days. Microphotograph ; 

 magnified 90 diameters. Haematoxylin-eosin pi-eparation. 



a, pars anterior ; 6, pars intermedia ; c, pars nervosa ; d, cleft partly obliterated, showing at 

 one part an accumulation of hyaline substance. 



