290 



THE PINEAL ORGAN 



fol. 



/' 



, / 

 / 

 / 



I v 







ep. 



Fig. 197. — Transverse Section of the Pineal Organ of a Chick Embryo, 

 incubated 8 days, showing hollow follicles, fol. ; lined by ependyma, 



ep. ; AND THE SURROUNDING MESENCHYME, mes. (R. J. G.) 



Fig. 198. — Section of Epiphysis of Adult Meleagris, showing Follicles 

 lined by ependymal cells, and containing a coagulated material. 



c. : coagulum. 



ct. : interfollicular connective tissue. 

 ep. : ependymal cells. 

 /. : lumen of follicle. 

 (After Mihalkowics — highly magnified.) 



