Principles of geology, Volume 3 |
From inside the book
Results 1-5 of 48
Page 22
... geologist . It is only by studying these laws with attention , by observ- ing the positions which groups of species occupy at present , and inquiring how these may be varied in the course of time by migrations , by changes in physical ...
... geologist . It is only by studying these laws with attention , by observ- ing the positions which groups of species occupy at present , and inquiring how these may be varied in the course of time by migrations , by changes in physical ...
Page 26
... geologist that station indicates the peculiar nature of the locality where each species is accustomed to grow , and has reference to climate , soil , humidity , light , elevation above the sea , and other analogous cir- cumstances ...
... geologist that station indicates the peculiar nature of the locality where each species is accustomed to grow , and has reference to climate , soil , humidity , light , elevation above the sea , and other analogous cir- cumstances ...
Page 76
... geologist ; because their re- mains are found in strata of all ages , and generally in a higher state of preservation than those of other organic beings . Climate has a decided influence on the geographical distribution of species in ...
... geologist ; because their re- mains are found in strata of all ages , and generally in a higher state of preservation than those of other organic beings . Climate has a decided influence on the geographical distribution of species in ...
Page 99
... geologist could deny that , since the first small portion of the earth was laid dry , there have been many entire changes in the species of plants and animals inhabiting the land . But , without dwelling on the above and other refuted ...
... geologist could deny that , since the first small portion of the earth was laid dry , there have been many entire changes in the species of plants and animals inhabiting the land . But , without dwelling on the above and other refuted ...
Page 102
... geologist can prove to have taken place subsequently to the period when many species now existing were created . In order to ex- emplify how this arrangement of plants may have been produced , let us imagine that , about three centuries ...
... geologist can prove to have taken place subsequently to the period when many species now existing were created . In order to ex- emplify how this arrangement of plants may have been produced , let us imagine that , about three centuries ...
Other editions - View all
Common terms and phrases
action alluvium ancient animals and plants appear aquatic aqueous become beds birds bones breccias Calanna calcareous Catania causes cetacea clay climate coast cone considerable continents coral delta deposits depth dikes distance distinct drifted earth earthquakes Eocene eruptions Etna Europe example extinct feet floods forests formations formed fossil fossil shells geographical geological geologist globe groups habitations hundred hyæna hybrid Iceland igneous imbedded inhabitants insects islands Isles lakes land latitudes lava limestone living marine marl masses Mediterranean migrations miles mineral Miocene mountains naturalists nature Newer Pliocene observed ocean organic remains origin peat peculiar peperino period Pliocene preserved quadrupeds recent reefs regions rivers rocks sand scoriæ seeds seen shores Sicily soil sometimes species strata Subapennine subaqueous submarine suppose surface terrestrial terrestrial animals terrestrial plants tertiary testacea thickness thousand trees tropical tuff Val del Bove Val di Noto valley vegetable volcanic zoophytes