154 Haakon Schetelig. [No. gg 
attributed to an earlier date than is given here. But as far as I 
can see do the statements expressed in the above system best 
correspond to the features of the present material. Therefore I 
do not think it too daring to make — by the help of typology and 
within certain limits — chronological distinetions within each of my 
periods and thus to fix the date of åa brooch with å supposed error 
of about + 25 years. | 
