Seeking Herbert Spence reference re Darwin

[Hamish Spencer]

In article <dld.780830985 at bruce.cs.monash.edu.au> David L Dowe,
dld at cs.monash.edu.au writes:
>   I believe that the term 'survival of the fittest', often attributed to
>Charles Darwin, was actually coined by Herbert Spence.
>
>Could someone please kindly supply me with a reference to where Spence
coins
>this term?
>

It was Herbert Spencer (note the r) in his book Principles of Biology,
about 1866.

Hamish Spencer
Department of Zoology
University of Otago
Dunedin, New Zealand

hspencer at rivendell.otago.ac.nz