 ... in a direct genetic relation to them. It is no easy matter to find clear and unmistakable evidence of filiation among fossil animals; for, in order that such evidence should be quite satisfactory, it is necessary that we should be acquainted with...  Nature - Seite 110herausgegeben von - 1870Vollansicht - Über dieses Buch
 | Sir Norman Lockyer - 1870 - 596 Seiten
...may, in regard to plants, repeat with still greater emphasis his dictum, that "it is no easy matter to find clear and unmistakable evidence of filiation...external skeletons, the parts preserved to us from the Te'tiary period are generally those least indicative of structural organisation. Mr. Carruthers has... | |
 | Geological Society of London - 1870 - 940 Seiten
...is necessary that we should be acquainted with all the most important features of the organization of the animals which are supposed to be thus related,...fragments upon which the genera and species of the palœontologist are so often based. M. Gaudry has arranged the species of Uyœiiidce, Probosridea,... | |
 | 1870 - 500 Seiten
...acquainted with all the most important features of the organization of the animals which are supppsed to be thus related, and not merely with the fragments upon which the genera and species of the paleontologist are so often based." The difficulty is much greater in the case of fossil plants; for... | |
 | John Henry Pratt - 1871 - 458 Seiten
...is necessary that we should be acquainted with all the most important features of the organization of the animals which are supposed to be thus related...species of the palaeontologist are so often based.' And after noticing some supposed examples of linear types produced by M. Gaudry and Professor Riitimeyer,... | |
 | John Henry Pratt - 1872 - 352 Seiten
...is necessary that we should be acquainted with all the most important features of the organization of the animals which are supposed to be thus related...fragments upon which the genera and species of the palseontologist are so often based.' And after noticing some supposed examples of linear types produced... | |
 | Linnean Society of London - 1873 - 906 Seiten
...is necessary that we should be acquainted with all the most important features of the organization of the animals which are supposed to be thus related,...often based." The difficulty is much greater in the cose of fossil plants ; for instead of bones, teeth, or shell-. portions of internal or external skeletons,... | |
 | Thomas Henry Huxley - 1873 - 428 Seiten
...is necessary that we should be acquainted with all the most important features of the organization of the animals which are supposed to be thus related,...species of the palaeontologist are so often based. M. Gaudry has arranged the species of Ilycsnidce, Proboscidea, Rhinocerotidce, and Equidce in their... | |
 | Thomas Henry Huxley - 1873 - 342 Seiten
...is necessary that we should be acquainted with all the most important features of the organization of the animals which are supposed to be thus related,...species of the palaeontologist are so often based. M. Gaudry has arranged the species of Hycenidce, Proboscidea, Khinocerotidcey and Equidce in their... | |
 | 1879 - 614 Seiten
...it isnecessary that we should bd acquainted with all the most Important features of the organization of the animals which are supposed to be thus related, and not merely with the frag ments upon which the genera and species of the palaîontologist are so often based. M. Gaudry... | |
 | Thomas Henry Huxley - 1894 - 428 Seiten
...among fossil animals; for, in order that such evidence should be quite satisfactory, it isjiecessary that we should be acquainted with all the most important...species of the palaeontologist are so often based. M. Gaudry has arranged the species of Hycenidce, Proboscidea, Bhinocerotidce, and Equidce in their... | |
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