Dana, E. S., [89].

De Lacy, W., [72], [114].

De Vallibus, [132].

Donne, G. C., [136].

Donaldson, T., [87].

Driscoll, C. F., [142].

Dudley, W. H., [159].

Dunraven, Earl of, [53].

29. Earth, The, and its Inhabitants. Élisée Reclus. Vol. iii. New York: D. Appleton & Co. 1893. Contains numerous references to the Y. N. P.