RECORD: Darwin, Francis. n.d. Abstract of Wallace, Island life. CUL-DAR205.2.207. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/).
REVISION HISTORY: Transcribed by Kees Rookmaaker, corrected and edited by John van Wyhe 2.2011. RN1
NOTE: These notes are in the hand of Francis Darwin.
Reproduced with the permission of the Syndics of Cambridge University Library and William Huxley Darwin.
207
Wallace Isl Life
* (see next column)
70 excellent general remarks
73 see Lyell Princ ii
79 — dispersal along mountain chains — debris forms fresh empty soil for foreign plants
480 same thing in Detail
481 Diplotaxis muralis used to only found near sea, no spread along railway embankment - & now established
482 lot of other facts showing that out plants only known at distance appear on embankments and then get killed off
Railway from Yarmouth to Caistor passes through sandy 'Denes' — here Delph ajacis1 only known 30 miles off in Cambs lived for a few years
Stellaria media Chesterton killed by grasses & carexes [Carices]
p 70 - 71 - 72 — Sea a barrier to mammals ∴ mammals used as test of where connection has existed.
storms carry leaves
— Natural rafts important [heavy] &c and we are certain they carry seeds even if do not see them
80 great antiquity of plants makes chance distribn easier to understand
Slower readings with
1 Delphinium ajacis, commonly cultivated larkspur. KR
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022