It is today considered as one of the earliest examples of scientific racism.
He believed in craniometry, and took scientific racism at face value.
Many people think it is an example of scientific racism.
Some critics denounced the book and its authors as supporting scientific racism.
The other was the development of scientific racism.
They were often based on the idea of unilinealism, scientific racism and social Darwinism.
The 19th century was also a time when "scientific racism" flourished.
His ideas were adopted by other researchers and encouraged scientific racism.
These sub-categories are now regarded by some as scientific racism.
He was a very early practitioner of scientific racism.