Half Hours with Modern Scientists, Bind 1Charles C. Chatfield, 1871 - 288 sider |
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Side 61
... Geological time , for example , falls short , after all , of infinite time ; or , in known geological eras , let us calculate them as liberally as we may , there is not time enough to account for the presently - existing varieties , ( 61 ) ...
... Geological time , for example , falls short , after all , of infinite time ; or , in known geological eras , let us calculate them as liberally as we may , there is not time enough to account for the presently - existing varieties , ( 61 ) ...
Side 62
... geological time to account for the transformation of the elephant into the stag from ac- celeration , or for that of the stag into the elephant from retardation , of movement . And we may speak sim- ilarly of the growth of the neck of ...
... geological time to account for the transformation of the elephant into the stag from ac- celeration , or for that of the stag into the elephant from retardation , of movement . And we may speak sim- ilarly of the growth of the neck of ...
Side 4
... geologic time . The paleontologist holding this view sees , in accordance therewith , a suc- cession of creations and destructions marking the his- tory of life on ... geological periods , as offspring or by direct descent ; 148 ( 4 )
... geologic time . The paleontologist holding this view sees , in accordance therewith , a suc- cession of creations and destructions marking the his- tory of life on ... geological periods , as offspring or by direct descent ; 148 ( 4 )
Side 21
... periods of geologic time . In a word , we learn from this source that distinct ge- ologic epochs coëxist at the same time on the earth . I have been forced to this conclusion * by a study of the structure of terrestrial life , and it ...
... periods of geologic time . In a word , we learn from this source that distinct ge- ologic epochs coëxist at the same time on the earth . I have been forced to this conclusion * by a study of the structure of terrestrial life , and it ...
Side 23
... ages of geologic time . Each type has , however , its day of supremacy and perfection of organism , and a retrogression in these re- spects has succeeded . This has no doubt followed a law the reverse of acceleration , which has been ...
... ages of geologic time . Each type has , however , its day of supremacy and perfection of organism , and a retrogression in these re- spects has succeeded . This has no doubt followed a law the reverse of acceleration , which has been ...
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action actual energy ammonia analogy animal antithe appear atoms beam blue body brain called carbonic acid cell cerebellum cerebral hemispheres characters chemical chemistry circulatory system Comte condition constituents contractility converted correlation Darwin difference dust electricity ether waves evidence exhibited existence experiment fact floating matter functions genera genus geologic geological periods germ heat higher human Hume Huxley Huxley's hydrogen hypothesis ical idea identity infinite inorganic intellectual knowledge light manifestations material Max Schultze mechanical microscope mind molecular molecules Molluscs moral motion muscle muscular nature necessitarianism nitrogen nucleus object organic origin oxygen particles period phenomena philosophy plant plasm possess potential energy preëxisting present probably produced progress proto protoplasm quadrumana qualities question reason regard relation result scientific seen species spirit structure substance syntonin temperature theory things thought tion toplasm tricity truth tube vegetable vital force waves whole word