Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 2 Plant-Dispersal
CHAPTER XXXIII
SEED-DISPERSAL AND GEOLOGICAL TIME
The shifting of the source of Polynesian plants from the New to the Old World.—The floral history of Polynesia stated in terms of geological time.—The suspension of the agencies of dispersal in later periods.—Parallel differentiation in the course of ages of climate, bird, and plant.—New Zealand.—Insects and bats as agents in plant-dispersal.—The effective agency of sea-birds in other regions.—The observations of Ekstam.—The Spitzbergen controversy.—The efficacy of ducks as distributors of aquatic plants.—Summary
_Pages_ 502-514