At 7:45:58 AM on Tuesday, June 29, 2010, AThompson wrote:

> Þórólfur mælti við Ásgaut:
> Þórólfr spoke with Ásgautr:

Small point: in this context <mæla við> is 'to speak to'.

> Eftir það ganga þeir ofan fyrir höfuðísinn ...
> After that they walk down before the ice-masses ...

<Ofan fyrir> is 'down over' (see Z. s.v. <ofan>).

> ... komast þeir yfir ána ...
> ... they made-their-way over the-river ...

In this case <yfir> is 'across' (and also in the next
sentence).

Brian