On the Origin of Species by Means of Natural Selection, Or, The Preservation of Favoured Races in the Struggle for Life |
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Page xii
... birds in the United States , added in second edition in place of that of the whale , which is doubtful . On the fallacy of great size or strength saving an animal from extinction . On the degree of development of living forms com- pared ...
... birds in the United States , added in second edition in place of that of the whale , which is doubtful . On the fallacy of great size or strength saving an animal from extinction . On the degree of development of living forms com- pared ...
Page 3
... birds , and which has flowers with separate sexes absolutely re- quiring the agency of certain insects to bring pollen from one flower to the other , it is equally preposterous to account for the structure of this parasite , with its ...
... birds , and which has flowers with separate sexes absolutely re- quiring the agency of certain insects to bring pollen from one flower to the other , it is equally preposterous to account for the structure of this parasite , with its ...
Page 9
... birds , with the rarest exceptions , hardly ever lay fertile eggs . Many exotic plants have pollen utterly worthless , in the same exact condition as in the most sterile hybrids . When , on the one hand , we see domesticated animals and ...
... birds , with the rarest exceptions , hardly ever lay fertile eggs . Many exotic plants have pollen utterly worthless , in the same exact condition as in the most sterile hybrids . When , on the one hand , we see domesticated animals and ...
Page 21
... bird , is also remark- able from the wonderful development of the caruncu- lated skin about the head ; and this is accompanied by greatly elongated eyelids , very large external orifices to the nostrils , and a wide gape of mouth . The ...
... bird , is also remark- able from the wonderful development of the caruncu- lated skin about the head ; and this is accompanied by greatly elongated eyelids , very large external orifices to the nostrils , and a wide gape of mouth . The ...
Page 22
... birds the head and tail touch : the oil - gland is quite aborted . Several other less distinct breeds might be specified . In the skeletons of the several breeds , the develop- ment of the bones of the face in length and breadth and ...
... birds the head and tail touch : the oil - gland is quite aborted . Several other less distinct breeds might be specified . In the skeletons of the several breeds , the develop- ment of the bones of the face in length and breadth and ...
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Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient animals appear Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ laws less living male mammals manner Marsupials migration modification modified descendants mongrels natural selection naturalists nearly nest occasionally offspring organisation origin of species perfect pigeons plants pollen present principle probably produced progenitor racter ranked reciprocal crosses remarked resemble rudimentary organs seeds Silurian slight South America sterility structure struggle successive supposed tend theory tion variability variations varieties vary whole widely