It is not a quote taken out of context  The entire book talks about which racenationality is preferable to the other and how certain lesser racesnationalities ought to be kept from making a large impact on the collective gene pool  Why dont you read The Old World in the New   httpbooksgooglecombookshlenidwqJAAAAIAAJ   Even a brief skim over the material shows it to be a book dedicated to cataloging the different races and nationalities and their respective detrimental or beneficial impacts   Here are the section headings of one of the chapters American Blood and Immigrant Blood within the book  Primitive types among the foreignborn How immigration will affect good looks in this country Effect of crossing on personal beauty Stature and physique of the newer immigrants Do they revitalize the American people Race morals of the Southern European stocks Are the immigrants good samples of their own people Appraisal of the different ethnic strains in the American people Rating of the present immigrant streams How immigration has affected the fecundity of Americans Evading a degrading competition by race suicide The triumph of the lowstandard elements over the highstandard elements  This is obviously not a matter of conjecture or personal opinion  The book might as well be called Eugenics For Dummies