NERVES OF THYROID AND PARATHYROID BODIES 101 



All drawings were made with an Edinger drawing apparatus using Leitz compens 

 oculars nos. 4 and 6, and 1 and l(i mm. apochromatic objectives. 



Fig. 1 Drawing showing the relation of the nerve endings to the gland cells. 

 X 650. 



Fig. 2 A small artery in the interior of the thyroid showing t he elaborate peri- 

 vascular plexus. .1 . large nerve bundle breaking up to form the plexus; B, nerve 

 leaving the perivascular plexus to form the perifollicular plexus. X 630. 



