772 



J. F. GUDERNATSCH 



Fig. 16. Sections through the thyreoid gland of Micropogon. A, between the 

 first and second; B, at the second; C, near the third branchial arteries. 



The mass of thyreoid tissue, roughly judging, differed in the 

 specimens, although they were of about the same size, yet the 

 fish may have been of different ages. 



The shape of the follicles varies from very irregular to circular. 

 Their size also varies extremely. Those lying nearest the vessels 

 are huge and irregular, while the small peripheral ones approach 



