Full Idea
In his most recent article Cantor speaks of ordinals as types of order, not as numbers.
Gist of Idea
For Cantor ordinals are types of order, not numbers
Source
Bertrand Russell (The Principles of Mathematics [1903], §298)
Book Reference
Russell,Bertrand: 'Principles of Mathematics' [Routledge 1992], p.321
A Reaction
Russell likes this because it supports his own view of ordinals as classes of serial relations. It has become orthodoxy to refer to heaps of things as 'numbers' when the people who introduced them may not have seen them that way.