Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 14
Pagina x
... reappear ? • Section I. Disappeared organs . 1. Plants 2. Animals . Teratology of the horse , Hypertrichosis , etc. Swimming limbs in Stomatopoda and De- capoda Macroura Section II . Disappeared institutions PAGE 175 178 179 179 192 192 ...
... reappear ? • Section I. Disappeared organs . 1. Plants 2. Animals . Teratology of the horse , Hypertrichosis , etc. Swimming limbs in Stomatopoda and De- capoda Macroura Section II . Disappeared institutions PAGE 175 178 179 179 192 192 ...
Pagina 205
... reappear only to disappear again . Such observa- tions apply both to ontogeny and phylogeny . CHAPTER II THE PATH OF DEGENERATION IN SOCIOLOGY § 1. Investigation of facts . WE have now to see if degenerative evolution in social matters ...
... reappear only to disappear again . Such observa- tions apply both to ontogeny and phylogeny . CHAPTER II THE PATH OF DEGENERATION IN SOCIOLOGY § 1. Investigation of facts . WE have now to see if degenerative evolution in social matters ...
Pagina 221
... reappear and develop afresh . It would be a useless extension of this volume to cite many facts in favour of a view which is almost without supporters , but it will be useful to examine the exceptions , real or apparent , and to discuss ...
... reappear and develop afresh . It would be a useless extension of this volume to cite many facts in favour of a view which is almost without supporters , but it will be useful to examine the exceptions , real or apparent , and to discuss ...
Pagina 222
... REAPPEAR ? SECTION I Disappeared organs IN biology we are almost unaware of indisputable examples of the normal reappearance of disappeared organs . 1. Plants . As the embryonic development of plants is usually direct , it is impossible ...
... REAPPEAR ? SECTION I Disappeared organs IN biology we are almost unaware of indisputable examples of the normal reappearance of disappeared organs . 1. Plants . As the embryonic development of plants is usually direct , it is impossible ...
Pagina 223
... reappear . Adult man has lost the complete covering of downy hair . According to Ecker , however , hyper- trichosis is an abnormality really due to the re- appearance of this ancestral condition , as may be seen from the mode of its ...
... reappear . Adult man has lost the complete covering of downy hair . According to Ecker , however , hyper- trichosis is an abnormality really due to the re- appearance of this ancestral condition , as may be seen from the mode of its ...
Alte ediții - Afișează-le pe toate
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Termeni și expresii frecvente
adult ancestral stages animals antheridia apical leaves appear appendages aquatic Archaeopteryx assimilative atrophy basilar leaves became become belonging bipinnated blade branches calcaneum canal cells characters chlorophyll collective property colony complete condition consists corporations Crustacea custom degeneration degenerative evolution digits disappeared embryo endopodite epipod exhibited existence exopodite female feudal floating leaves flowers foliage leaves formation formed function gland Huxley hypopod Illustrations individual instance institutions intercentrum land larval Lathyrus Aphaca leaf leaflets limbs male mammals marriage masuirs maxillipede mesonephros metatarsals modern modification muscles normal original pairs petiole phalanges pineal eye plants podite primitive Professor progressive evolution pronephros prothallus protopodite pr reduced regarded remain represent retracing Rosa rugosa rudimentary organs segment sepal slow-worm social societies sociology species stamens stem stipules stomata structure survival tarsius tendrils terminal thalamencephalon third tion traces transformation undergone useless vertebral column vertebrates vestiges wings
Pasaje populare
Pagina 1 - Animal Mechanism : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Second Edition. Crown 8vo, 5*.
Pagina 1 - Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Pagina 1 - Illustrations. $1.50. 2, PHYSICS AND POLITICS; Or, Thoughts on the Application of the Principles of "Natural Selection" and "Inheritance
Pagina 2 - Paris. $2.00. 28. THE CRAYFISH : An Introduction to the Study of Zoology. By TH HUXLEY, FRS With 82 Illustrations. $1.75.
Pagina 1 - By MC COOKE, MA, LL. D. Edited, by the Rev. MJ BERKELEY, MA, FLS With 109 Illustrations. $1.50.
Pagina 3 - University of Berlin. With 63 Illustrations. $1.75. 53. THE MAMMALIA IN THEIR RELATION TO PRIMEVAL TIMES. By Professor OSCAR SCHMIDT, University of Strasburg. With 51 Illustrations. $1.50.
Pagina 3 - MILNE, Imperial College of Engineering, Tokio. With 38 Figures. $1.75. 56. MICROBES, FERMENTS, AND MOULDS. By EL TROUESSART. With 107 Illustrations. $1.50. 57. THE GEOGRAPHICAL AND GEOLOGICAL DISTRIBUTION OF ANIMALS. By Professor ANGELO HEILPRIN, Academy of Natural Sciences, Philadelphia.
Pagina 1 - XVIII. THE NATURE OF LIGHT. With a General Account of Physical Optics.
Pagina 3 - Heredity." $1.50. 42. ANTS, BEES, AND WASPS. A Record of Observations of the Habits of the Social Hymenoptera. By Sir JOHN LUBBOCK, Bart., FRS, DCL, LL.