A racial map of Poland by Czekanowski

[Ariets]

A racial map of Poland by Czekanowski from "Polska - Słowiańszczyzna. Perspektywy antropologiczne" (1948) en. "Poland - Slavland. Anthropological perspective's".

To map:.
Rys. 9 "Terrytorial-anthropological diffrentation of Poland and neighbour's"

1. Borderline of predominatly nordid element territories, making about half part of general mass heirship
2. Borderline of territories of more than 40% Nordid element
3. Anthropological borders of of nothern europe, that mean line of more or less similar degree of additions of mediterranoid and armenoid (dinarid)
4. Teritorries of biggest number of hardering of laponoid element (alpine)
5. Frontiers of territories with biggest hardering of nordid element, his isolated lens

[Exeter]

Do you mean harboring (as in place of habitat) with "hardering"?

[Ariets]

I mean bigger intensity .