Bull. U. S. B. F. 1912. 



Plate LXXIII. 



Fio. 43. — Section showing intensive nodular growth 

 with concentric compression of the surrounding tumor 

 tissue. X40. 



Fig, 44. — Section showing individual follicles of more 

 malignant type infiltrating surrounding tumor tissue. 

 X130. 



Fk;. 45. — Section showing encapsulated nodule of papillar type lying in tumor tissue of alveolar type. X94. 



