Mackenzie believed that these Mediterraneans who colonised parts of Britain survived well into later historic periods (p. 118) and that the Mediterranean race in general was the bulk racial stock of Britain from Paleolithic through to the Neolithic and to more recent periods. They had black or brown hair, and swarthy skin "like those of the Southern Italians" (p. 126) and have survived in numerous pockets of Britain to the modern day (p. 139) despite that the later Anglo-Saxon and Norse settlement, who were fairer in appearance, Mackenzie believed their genetic input or admixture was very limited but that they subjugated the British imposing a new civilization and culture (p. 227).