Owl to Ernie Macmillian-Happy Birthday!

Delivered at breakfast.

Enclosed in a note thanking Ernie for inviting him on the trip is a small compass, and a note explaining how it works.

( Compass Note )

A pair of owls, warded to the Professors in question:

( To Professor Black )

Owl To Professor McGonagall:

I'm sorry this is so late, Ma'am. But, may I have permission to go to Hogsmeade with Ernie Macmillian and a couple of friends, for his birthday dinner?

Thanks!
Neville Longbottom.