Note 208 — CHAP. XIV. Of Change of Species.
Reading edition
But we must not conclude, that these Particles, which pass through a Plant (being a vastly greater Quantity than those that abide in it for its Augment), are all unsuitable, because no one of them happens to hit upon a fit Nidus: For since the Life of Animals depends upon that of Plants, ’tis not unreasonable to imagine, that Nature may have provided a considerable Overplus for maintaining the Life of individual Plants, when she has provided such an innumerable Overplus for continuing every Species of Animals.