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Scientific Names on this Page

Indexed by Global Names
Book Title
über den Einfluss der Isolirung auf die Artbildung
By
Weismann, August, 1834-1914
Publication Details
Leipzig, W. Engelmann, 1872
DOI
https://doi.org/10.5962/bhl.title.49957
Holding Institution
Cambridge University Library
Sponsor
JISC & NEH
Copyright & Usage
Rights:
Darwin Estate and Cambridge University Library

Copyright Status:
In copyright


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Optional
Example: Charles Darwin, Carl Linnaeus
Example: Birds, Classification, Mammals
Contributed by Cambridge University Library
Annotation Not Available
Page 8
lines 5—17 score
from End Slip, Side 1 annotation in dark brown ink p. 8 «p 12 p. 41» on th Hilgendorf case of Planorbis — periods of Variability succeeded by Constancy — (Mem. Forbes case in Purbeck Beds) «p. 137» good argumnts M. Wagner
Page 12
⇑lines 13—8 score
⇑lines 15—4 annotation see t Forbes Case
from End Slip, Side 1 annotation in dark brown ink p. 8 «p 12 p. 41» on th Hilgendorf case of Planorbis — periods of Variability succeeded by Constancy — (Mem. Forbes case in Purbeck Beds) «p. 137» good argumnts M. Wagner
Page 14
line 18 score [`bookmark']
Page 15
lines 6—30 annotation argues wonderfully well about these spcies & their distinctness
Page 16
lines 17—19 score
Page 18
⇑line 11 score [`bookmark']
Page 20
lines 11—21 annotation differently coloured vars of Caterpillars
Page 21
lines 14—15 score
show subjects subjects
Page 22
line 12 score [`bookmark']
Page 26
⇑line 4 score [`bookmark']
Page 32
line 3 score [`bookmark']
Page 40
⇑lines 7—3 score
Page 41
lines 1—6 score
lines 1—6 annotation slowness of chng [ie `change']
from End Slip, Side 1 annotation in dark brown ink p. 8 «p 12 p. 41» on th Hilgendorf case of Planorbis — periods of Variability succeeded by Constancy — (Mem. Forbes case in Purbeck Beds) «p. 137» good argumnts M. Wagner
[continues overleaf] ⇑lines 6—3 double score
⇑lines 2—1 double score
⇑lines 8—4 annotation most important
from End Slip, Side 1 annotation in dark brown ink p. 8 «p 12 p. 41» on th Hilgendorf case of Planorbis — periods of Variability succeeded by Constancy — (Mem. Forbes case in Purbeck Beds) «p. 137» good argumnts M. Wagner
Page 42
[continuation] 1—2 double score
lines 13—19 score in pale pencil
top-margin—line 19 annotation different individuals vary in different ways & all lead to the same end — like what I have said of Giraffe in the Descent.
⇑line 15 score [`bookmark']
[continues overleaf] ⇑lines 13—12 underline "vollzieht ... werden"
⇑lines 3—1 underline "sondern ... aus"
from End Slip, Side 1 annotation in dark brown ink p. ‹20› 42— on manner in which these forms of Planorbis become constant.
Page 43
[continuation] 2—3 underline "sondern ... oxystomus"
lines 5—7 underline "Verschmelzung ... kommen"
lines 10—11 underline "durch ... Individuen"
⇑lines 9—7 score
⇑lines 9—8 annotation (a)
bottom-margin annotation constancy lost when all individuals fail to cross.
Page 45
line 12 underline "sehr ... Individuen"
lines 10—16 annotation thinks cause of constancy lies in colonies consisting of several individuals
from End Slip, Side 1 annotation in dark brown ink p. 45 In a «variable» colonist to remain constant mny individuals must immigrate
⇑lines 7—3 score
⇑line 5 annotation (a)
bottom-margin annotation (a) Thinks individual differences overstated    (?)
Page 47
⇑lines 4—2 score
⇑lines 4—3 annotation (a)
⇑line 2 underline in pale pencil "Apus"
⇑line 1 underline "Beiträge ... Arthropoden"
bottom-margin annotation abut th dryng of eggs of Apus
from End Slip, Side 1 annotation in dark brown ink 47.    Abut drying of eggs of Apus & revival.
Page 48
⇑lines 8—7 underline "als ... besitzt"
⇑lines 18—6 annotation Islands where some forms changed & some identical shows isolation by itself does nothng.
from End Slip, Side 1 annotation in dark brown ink 48 Isolation by itself does nothing
Page 49
line 18 score [`bookmark']
⇑lines 8—6 score
Page 51
lines 3—8 score
line 5 annotation (a)
top-margin annotation a    species remain constant till som cause induces variation—
from End Slip, Side 1 annotation in dark brown ink 51. Periods of variability long, yet shorter than those of constancy .
⇑lines 15—9 score
⇑lines 4—1 score
⇑lines 18—8 annotation Evidence of Periods of variation long, yet shorter than those of constancy
Page 52
top-margin annotation A difference in result whether a variable or constant form in the colonist is new
lines 4—26 annotation The species which remain for long periods & in mny countries (& whole genera) variable are opposed to periods of variability
from End Slip, Side 1 annotation in dark brown ink 52.    My argument: M.S. against periods of variability.
⇑line 12 score [`bookmark']
Page 54
lines 1—8 score
top-margin—line 3 annotation i.e. without selection or any new tendency t variation, supposing th new arriver to be already variable—
from End Slip, Side 1 annotation in dark brown ink ― «p 54» Lays greatest stress on difference in results when a variable or constant species is a Colonist
⇑lines 3—1 score
bottom-margin annotation says vry difficut to prove what are purely morphological characters
Page 55
⇑lines 8—6 score
bottom-margin annotation ⧟ cases like Kallima
from End Slip, Side 1 annotation in dark brown ink p. 55 Protective resemblance of Butterflies
Page 56
⇑line 4 score [`bookmark']
Page 58
lines 1—9 score
top-margin—line 9 annotation asserts th dark colour of wings of ♀ Blue Butterfls is certainy a protction—
line 9 at "Dieselben" annotation ♂
lines 9—10 underline "Dieselben ... Flügeln"
lines 10—24 annotation I think because his wings have been coloured blue the female has not this habit because her wings are brown
line 11 score [`bookmark']
Page 60
⇑lines 18—15 score
⇑line 15 underline "Satyriden"
⇑line 7 score [`bookmark']
Page 62
whole-margin annotation He considers Secondary Sexual characters as morphological or indifferent, but I doubt, for so wd be primry sexual charcters
⇑line 1 score [`bookmark']
Page 63
line 2 underline "Vanessa ... Sardinien"
lines 2—5 annotation case not due to his scheme ← ⧟
lines 13—22 score
Page 64
⇑line 10 underline "V. ichnusa"
⇑lines 10—4 score
⇑lines 10—4 annotation trace of mark in V. ichn
show subjects subjects
Page 65
lines 9—14 double score
lines 15—17 score
from End Slip, Side 1 annotation in dark brown ink p 65    case of constant Butterflies in separated arenas during Glacial period.—
Page 67
lines 11—15 score
⇑line 4 underline "Amixie"
⇑lines 3—2 underline "weil ... gewöhnlich"
from End Slip, Side 2 annotation in dark brown ink p. 67    He calls it amixie th non-crssing & acconts for vy local forms by th same «p. 74» proportion of variation not occurng in area stocked by vry few individuals — I shd think slightly differnt conditions wd likewise influence th propagation of variation.— The difference thus gained wd. never exceed th amnt of «individual» differences in species in question
Page 70
lines 5—9 score
line 9 score
lines 10—12 score
lines 4—17 annotation he assumes taste of ♀ wd. remain constant, wd be affected by [illegible word] colour — We have cases of local vars of Birds in which ♂s alone differ.
show subjects subjects
⇑lines 15—8 score
⇑lines 11—2 annotation → Have I not case of ♂ moths like ♀ in Shetland Islds
Page 72
lines 8—14 score
lines 8—14 annotation 2 Sulphur-Butterfles with ♀ alike
Page 74
line 1 score
lines 5—7 score
top-margin—line 25 annotation on his peculiar view isolation cannot make a greter amount of difference than th extrem varieties of parent species — but may be aided by S. Selection
from End Slip, Side 2 annotation in dark brown ink p. 67    He calls it amixie th non-crssing & acconts for vy local forms by th same «p. 74» proportion of variation not occurng in area stocked by vry few individuals — I shd think slightly differnt conditions wd likewise influence th propagation of variation.— The difference thus gained wd. never exceed th amnt of «individual» differences in species in question
Page 75
lines 12—17 score
line 13 annotation conclusn
Page 76
⇑lines 18—10 score
⇑lines 28—10 annotation vy slight differences in different countries.
from End Slip, Side 2 annotation in dark brown ink p. 76    cases of extremely slight difference in differt countries of Lepidoptera — ‹many› «most» species do not present any local vars.
Page 77
lines 1—12 annotation Cases of absolute identity ever since glacial period
lines 11—16 score
line 12—bottom-margin annotation The greater nor of species of Butterflies do not presnt local vars.
Page 82
lines 1—2 double score
Page 85
in dark pencil
lines 4—26 annotation On effects of crossing vry slow , in slowly moving organism — true — he ignores greatr vigour of crossed ofsprng
from End Slip, Side 2 annotation in dark brown ink p 85 Effects of crossng slight & slow except in locomotive organisms.
Page 91
in dark pencil
⇑line 11 score [`bookmark']
Page 95
lines 16—22 score
top-margin—line 22 annotation But how does he know tht th black ♀ not due to direcly external agencies
from End Slip, Side 2 annotation in dark brown ink 95 97 102 } Does he not ignore effects of conditions long-continued.— p 102 good argumnt against.
Page 96
in pale pencil
⇑lines 14—6 score
Page 97
lines 5—8 score
line 8 underline "ein ... gelben"
line 8 annotation (a)
top-margin annotation I think so if cause of variation preponderant
from End Slip, Side 2 annotation in dark brown ink 95 97 102 } Does he not ignore effects of conditions long-continued.— p 102 good argumnt against.
show subjects subjects
line 9 score [`bookmark']
Page 100
line 8 score [`bookmark']
Page 102
top-margin—line 28 annotation improbable that th «many» local vars of V. cardui in America due to S. Selection because such are not found in other parts of world & th same argument applicable to direct action of conditions.
from End Slip, Side 2 annotation in dark brown ink 95 97 102 } Does he not ignore effects of conditions long-continued.— p 102 good argumnt against.
Page 103
lines 11—13 score
lines 12—13 underline "die ... Stammart"
Page 104
lines 2—7 score
Page 105
⇑line 10 score [`bookmark']
Page 106
⇑lines 9—6 score
⇑lines 10—6 annotation on islands
from End Slip, Side 2 annotation in dark brown ink 106. Cause of richness of endemic forms on islands in part due to such when once formed not spreading to other areas.
Page 107
⇑line 16 underline "Corsica ... Sardinien"
⇑lines 11—7 score
⇑line 10 underline "italienischen"
from End Slip, Side 2 annotation in dark brown ink 107. local form of Butterflies has never spred from Corsica to mainland of Italy.