Trans. Roy. Soc. Edin. Vol. XLVI. 



Professor I>. J. Cunningham on "The Evolution of the Eyebrow Region of the Forehead." — Plate III. 



Groove along line of , 

 union between super- \ 

 ciliary and supraorbi- \ 

 tal elements. 



Fig. 23. 



1 



Fig. 24. 



