The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life, Volumen2AMS Press, 1972 |
Dentro del libro
Resultados 1-3 de 10
Página 313
... quadruped , and the wing of a bird ; or in the same in- dividual , as in the case of the fore and hind legs in quadrupeds , and the segments or rings and their appendages of which the body of a worm , a centipede , & c . , is composed ...
... quadruped , and the wing of a bird ; or in the same in- dividual , as in the case of the fore and hind legs in quadrupeds , and the segments or rings and their appendages of which the body of a worm , a centipede , & c . , is composed ...
Página 315
... quadrupeds , the Whales , and Man , and characterised by the production of living young which are nourished after birth by milk from the teats ( Mamma , Mammary glands ) of the mother . A striking difference in embryonic development has ...
... quadrupeds , the Whales , and Man , and characterised by the production of living young which are nourished after birth by milk from the teats ( Mamma , Mammary glands ) of the mother . A striking difference in embryonic development has ...
Página 318
... Quadrupeds which walk upon the whole sole of the foot , like the Bears . PLASTIC . Readily capable of change . PLEISTOCENE PERIOD . - The latest portion of the Tertiary epoch . PLUMULE ( in plants ) .— The minute bud between the secd ...
... Quadrupeds which walk upon the whole sole of the foot , like the Bears . PLASTIC . Readily capable of change . PLEISTOCENE PERIOD . - The latest portion of the Tertiary epoch . PLUMULE ( in plants ) .— The minute bud between the secd ...
Contenido
CONTENTS OF VOL | 1 |
CHAPTER X | 48 |
CHAPTER XII | 129 |
Derechos de autor | |
Otras 2 secciones no mostradas
Otras ediciones - Ver todas
Términos y frases comunes
accumulated adapted admit adult affinity allied species ancient animals appear Archipelago arctic areas become beds believe birds breeds Cambrian changes characters classification climate closely allied continent crustaceans degree deposited difficulty distant distinct species domestic doubt embryo Europe existing extinct fact faunas fertilised fertility flowers formations formerly forms fossil fresh-water Fritz Müller Gärtner genera genus geological period geological record Glacial period groups of species habits hybrids hybrids produced important individuals inhabitants inherited insects instance intermediate intervals land larvæ less living mammals manner marine Marsupials migration modified descendants mongrels mountains natural selection naturalists nearly occur oceanic islands offspring organisation parent parent-form peculiar perfect pistil plants pollen present probably produced quadrupeds reciprocal crosses regions remains remarked reproductive resemblance rocks rudimentary organs seeds Silurian slight South America species belonging stage stamens sterility structure successive suppose terrestrial tertiary tion variations varieties whilst widely different wings