The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
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Page xi
... birds . On the wide geographical range of a species of Galaxias , a fresh - water fish . Discussion on analogical resemblances , enlarged and modified . Homological structure of the feet of certain mar- supial animals . On serial ...
... birds . On the wide geographical range of a species of Galaxias , a fresh - water fish . Discussion on analogical resemblances , enlarged and modified . Homological structure of the feet of certain mar- supial animals . On serial ...
Page 3
... and tongue , so admirably adapted to catch insects under the bark of trees . In the case of the mistletoe , which draws its nourishment from certain trees , which has seeds that must be transported by certain birds , and INTRODUCTION . 3.
... and tongue , so admirably adapted to catch insects under the bark of trees . In the case of the mistletoe , which draws its nourishment from certain trees , which has seeds that must be transported by certain birds , and INTRODUCTION . 3.
Page 25
... 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 ...
Page 27
... birds breeding on precipices , and good fliers , are unlikely to be ex- terminated ; and the commen rock - pigeon , which has the same habits with the domestic breeds , has not been exterminated even on several of the smaller British ...
... birds breeding on precipices , and good fliers , are unlikely to be ex- terminated ; and the commen rock - pigeon , which has the same habits with the domestic breeds , has not been exterminated even on several of the smaller British ...
Page 28
... birds , all the above marks , even to the white edging of the outer tail- feathers , sometimes concur perfectly developed . More- over , when birds belonging to two or more distinct breeds are crossed , none of which are blue or have ...
... birds , all the above marks , even to the white edging of the outer tail- feathers , sometimes concur perfectly developed . More- over , when birds belonging to two or more distinct breeds are crossed , none of which are blue or have ...
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Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellę larvę less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young