Hi there!
Yesterday I borrowed the book "Tararua:The Story of a Mountain Range by Chris MacLean" from the Wellington City Library - and this is what I read on page 223:
"This advertisement appeared regularly in Tararua Club magazines in the
years after the war. Later the symbol of a goat or sheep on top of a
mountain was adopted by the Victoria University Tramping Club as their
unofficial logo."
And this is the advertisement: