Contributions to the Theory of Natural Selection: A Series of Essays |
From inside the book
Page 113
... of “ external conditions ” cannot be invoked here as it has been in the case of
the South American Pieris pyrrha and allies , where the white males frequent
open sunny places , while the Heliconia - like females haunt the shades of the
forest .
... of “ external conditions ” cannot be invoked here as it has been in the case of
the South American Pieris pyrrha and allies , where the white males frequent
open sunny places , while the Heliconia - like females haunt the shades of the
forest .
Page 114
Heliconidæ and Danaidæ , protected by a disagreeable flavour , have the
females as bright and conspicuous as the males , and very rarely differing at all
from them . The stinging Hymenoptera have the two sexes equally well coloured .
Heliconidæ and Danaidæ , protected by a disagreeable flavour , have the
females as bright and conspicuous as the males , and very rarely differing at all
from them . The stinging Hymenoptera have the two sexes equally well coloured .
Page 115
that in most if not all these cases the males sit upon the eggs ; so that this
exception to the usual rule almost ... much the most conspicuous , having a black
head , dark wings , and reddish - brown back , while the male is nearly uniform
brown ...
that in most if not all these cases the males sit upon the eggs ; so that this
exception to the usual rule almost ... much the most conspicuous , having a black
head , dark wings , and reddish - brown back , while the male is nearly uniform
brown ...
Page 116
It is also an ascertained fact , that the females are more bold and pugnacious
than the males . A further confimation of this view ... Female kingfishers are often
equally brilliant with the male , and they build in holes in banks . Beeeaters ,
trogons ...
It is also an ascertained fact , that the females are more bold and pugnacious
than the males . A further confimation of this view ... Female kingfishers are often
equally brilliant with the male , and they build in holes in banks . Beeeaters ,
trogons ...
Page 125
... female needs protection much more than the male , and that her preservation
for a much longer period is absolutely necessary for the continuance of the race ,
we have an additional indication that the resemblance is in all cases subservient
...
... female needs protection much more than the male , and that her preservation
for a much longer period is absolutely necessary for the continuance of the race ,
we have an additional indication that the resemblance is in all cases subservient
...
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abundant action adapted allied animals appear beautiful become believe birds body build butterflies causes Celebes changes character closely colour common comparatively complete concealment consider conspicuous continually direct distinct doubt Edition equally evidence exactly example existence explained facts female flight flowers frequently further genera genus give greater groups habits imitation important increase India individuals inhabiting insects interesting islands Java kind known less limited living male marked materials means mimicry modifications moths natural selection necessary nest never objects observations occur organic original Papilio perfect period phenomena possess present probably produced protection race reason region remarkable render resemble result savage seems seen sexes shown similar species structure supposed tail theory tints tion trees tropical true universe variation varied varieties various whole wings
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Bibliographic information
| Title | Contributions to the Theory of Natural Selection: A Series of Essays Contributions to the Theory of Natural Selection: A Series of Essays, Alfred Russel Wallace Marilee E. Thomas and Robert C. Thomas Science and Related Subjects Collection |
| Author | Alfred Russel Wallace |
| Edition | 2 |
| Publisher | Macmillan and Company, 1870 |
| Original from | Oxford University |
| Digitized | 8 mai 2006 |
| Length | 384 pages |
| Export Citation | BiBTeX EndNote RefMan |