The Foundations of the Origin of Species

In the MS. the author has here written in the margin “If same species appear at two spot at once, fatal to my theory.” See Origin, Ed. i. p. 352, vi. p. 499

341

This division of the land into regions does not occur in the Origin, Ed. i.

342

Origin, Ed. i. p. 346, vi. p. 493.

343

Opposite this passage is written “not botanically,” in Sir J. D. Hooker’s hand. The word palms is underlined three times and followed by three exclamation marks. An explanatory note is added in the margin “singular paucity of palms and epiphytes in Trop. Africa compared with Trop. America and Ind. Or.” «=East Indies».

344

This partly corresponds to Origin, Ed. i. p. 337, vi. p. 483.

345

On the general importance of barriers, see Origin, Ed. i. p. 347, vi. p. 494.

346

Origin, Ed. i. p. 348, vi. p. 495.

347

«Note in original.» The same laws seem to govern distribution of species and genera, and individuals in time and space. «See Origin, Ed. i. p. 350, vi. p. 497, also a passage in the last chapter, p. 146 (#Page_146).»

348

Origin, Ed. i. p. 404, vi. p. 559.

349

Origin, Ed. i. p. 349, vi. p. 496.

350

The case of the ostrich (Rhea) occurs in the Origin, Ed. i. p. 349, vi. p. 496.

351

«Note in original.» There is a hare in S. America, – so bad example.

352

See Origin, Ed. i. p. 349, vi. p. 497.

353

For the general problem of Oceanic Islands, see Origin, Ed. i. p. 388, vi. p. 541.

354

This is an illustration of the general theory of barriers (Origin, Ed. i. p. 347, vi. p. 494). At i. p. 391, vi. p. 544 the question is discussed from the point of view of means of transport. Between the lines, above the words “with that land,” the author wrote “Cause, formerly joined, no one doubts after Lyell.”

355

Origin, Ed. i. p. 390, vi. p. 543.

356

See Origin, Ed. i. p. 397, vi. p. 552.

357

The Cape de Verde and Galapagos Archipelagoes are compared in the Origin, Ed. i. p. 398, vi. p. 553. See also Journal of Researches, 1860, p. 393.

358

In the Origin, Ed. i. p. 390, a strong point is made of birds which immigrated “with facility and in a body” not having been modified. Thus the author accounts for the small percentage of peculiar “marine birds.”

359

“The affinities of the St Helena flora are strongly South African.” Hooker’s Lecture on Insular Floras in the Gardeners’ Chronicle, Jan. 1867.

360

It is impossible to make out the precise form which the author intended to give to this sentence, but the meaning is clear.

361

This is no doubt true, the flora of the Sandwich group however has marked American affinities.

362

See Origin, Ed. i. p. 365, vi. p. 515. The present discussion was written before the publication of Forbes’ celebrated paper on the same subject; see Life and Letters, vol. I. p. 88.

363

The apparent breakdown of the doctrine of barriers is slightly touched on in the Origin, Ed. i. p. 365, vi. p. 515.

364

In the Origin, Ed. i. p. 375, vi. p. 526, the author points out that on the mountains at the Cape of Good Hope “some few representative European forms are found, which have not been discovered in the inter-tropical parts of Africa.”

365