Sentence:  The basic racial criteria established previously by Professor Schultz and used until now as the basis for admission to the SS remain fundamentally valid, although I have suggested a more restricted policy of accepting only those in Schultz's first category, the pure Nordic, without any trace whatever of <WSD>bastardization</WSD>. 
Meaning of the word marked with <WSD> tags:  The combining of separate races in marriage or breeding; miscegenation.