He may be called a scientific vitalist.
"The Breath of Life"
John Burroughs
Could any vitalist, or Bergsonian idealist have stated his case better?
"The Breath of Life"
John Burroughs
Now, in Spencer, evolution gave us a vitalist mechanic or mechanical vitalism, and the appeal seemed cut off.
"Darwin and Modern Science"
A.C. Seward and Others