356 



>*♦ *i 



THORLEIFUR EINARSSON 



Profit X 



MOLDHAUGAR oom o.nn) 



10 X 30 to so to 70 10 to IO(r>b 



Fig. 1 . Pollen diagram from a bog, 80 m above sea level, at Moldhaugar, Eyjafjordur, 



N. Iceland. Pollengraphs from left to right: Sali.x, Gramineae, Betiila, Cyperaceae. 



Hatched area: herbs. (Cf. also Fig. 5.) 



B. The first great 5e/i//a-maximum can be equated with the Boreal and 

 the lower part of the Atlantic in continental Europe. In this zone falls the 

 Hekla volcanic ash layer H5 (6600 B.P.).* This 5ef///a-niaximum is followed by 

 a Betula-mimmmTi which corresponds to the wet Atlantic period of continental 

 Europe. The birch forest that grew in the "Hallamyri" bogs was receding. In 



*C^'' values on Fig. 1 have not been corrected for Suess-effect. Corrected values appear in text. 



