On the Origin of Species by Means of Natural Selection, Or, The Preservation of Favoured Races in the Struggle for LifeAppleton, 1898 |
Dentro del libro
Resultados 1-5 de 38
Página vi
... North and South • 129 CHAPTER XIII . GEOGRAPHICAL DISTRIBUTION - continued . Distribution of fresh - water productions - On the inhabitants of oceanic islands — Absence of Batrachians and of terrestrial Mam- mals - On the relation of ...
... North and South • 129 CHAPTER XIII . GEOGRAPHICAL DISTRIBUTION - continued . Distribution of fresh - water productions - On the inhabitants of oceanic islands — Absence of Batrachians and of terrestrial Mam- mals - On the relation of ...
Página 59
... North America ; but now land - shells have been found in the lias . In regard to mammiferous remains , a glance at the historical table published in Lyell's Manual will bring home the truth , how accidental and rare is their ...
... North America ; but now land - shells have been found in the lias . In regard to mammiferous remains , a glance at the historical table published in Lyell's Manual will bring home the truth , how accidental and rare is their ...
Página 60
... North America , and in many other parts of the world . The most skilful geologist , if his attention had been confined exclusively to these large territories , would never have suspected that , during the periods which were blank and ...
... North America , and in many other parts of the world . The most skilful geologist , if his attention had been confined exclusively to these large territories , would never have suspected that , during the periods which were blank and ...
Página 67
... North America than in those of Europe ; time having appa- rently been required for their migration from the American to the European seas . In examining the latest deposits in various quarters of the world , it has everywhere been noted ...
... North America than in those of Europe ; time having appa- rently been required for their migration from the American to the European seas . In examining the latest deposits in various quarters of the world , it has everywhere been noted ...
Página 73
... North America , which are ranked by some conchologists as distinct species from their European representatives , and by other con- chologists as only varieties , are really varieties , or are , as it is called , specifically distinct ...
... North America , which are ranked by some conchologists as distinct species from their European representatives , and by other con- chologists as only varieties , are really varieties , or are , as it is called , specifically distinct ...
Otras ediciones - Ver todas
Términos y frases comunes
admit affinity allied species ancient animals appear Archipelago arctic areas become believe birds Cambrian changes characters cies classification climate closely allied common progenitor continent crustaceans degree deposited difficulty distant distinct species domestic doubt embryo eral 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 sediment seeds Silurian South America stage stamens sterility structure successive suppose terrestrial tertiary theory tion variations varieties whilst widely different wings