Thirdly, there is the climate and all that goes with it.

Though in the first of these respects the white child is likely to be superior to the native, inasmuch as it will be tended with more careful regard to the laws of health; yet such disharmony prevails between the other two factors of race and climate, that it will almost certainly die, if it is not removed at a certain age from the country.

Possibly the English could acclimatize themselves in India at the price of an immense toll of infant lives; but it is a price which they show no signs of being willing to pay.
What, then, are the limits of the geographical control?
Where does its influence begin and end?
Situation, race and culture--to reduce it to a problem of three terms only--which of the three, if any, in the long run controls the rest?
Remember that the anthropologist is trying to be the historian of long perspective.

History which counts by years, proto-history which counts by centuries, pre-history which counts by millenniums--he seeks to embrace them all.

He sees the English in India, on the one hand, and in Australia on the other.