'/'///; ENCEPHALON 



781 



Fid. 577. MI:III\N SACITTAI. SECTION Tiii;or<;ii KMUKYOMC Hi MAN BHAIX AT K\n OK FIRST 



MON ill. 'Alter His.) 



(Showing the localities of origin of the derivatives of the three primary vesicles named in outline 



on p. 7SO.) 



HYPOPHYSIS (anterior suit) 



vi-:\n:.u. XH\K --- 



Ki<:. 578. SAGITTAL SECTION OP BRAIN OP HUMAN EMBRYO OF THE THIRD MONTH. (After His.) 

 (Reference numerals correspond with those of fig. 577 and those after names of parts in outline 



on p. 780.) 



