Note 147 — Chapter XVII
Reading edition
"The traveler, in going from the equator toward the tropics, is less struck by the decrease of the mean annual temperature than by the unequal distribution of heat in different parts of the year."—Humboldt. The great German fixes the mean temperature of the equator at 81.5°; Brewster, at 82.8°; Kirwan, 83.9°; Atkinson, 84.5°.