PLATE 3 



EXPLANATION OF FIGURES 



8 Two neuroglia and three inter-neuroglia cells from pineal body of lamb. 

 X 1500. 



9 Photomicrograph of peripheral region of pineal body of yearling sheep to 

 show the character of the parenchyma, neuroglia cells and fibers, and inter-neurog- 

 lia cells. 



10 Xeuroglia cell with fibers, and inter-neuroglia cell with melanic granules 

 from yearling sheep. X 1500. 



11 Nueroglia cell with adjacent fibers from pineal body of a yearling sheep. X 

 1500. 



I 



274 



