 | Literary and Philosophical Society of Liverpool - 1864 - 276 páginas
...hypothesis that the embryo of a living thing is developed only by agencies analogous with known forces. 4th, the permanence of form and structure observable during...as to what becomes of the vital principle at death. 6 th, the periodicity of life. It is not contended that these considerations amount to a demonstrative... | |
 | Smithsonian Institution. Board of Regents - 1867 - 484 páginas
...hypothesis that the embryo of a living thing ia developed only by agencies analogous with known forces. 4th. The permanence of form and structure observable during...principle at death. 6th. The periodicity of life. It is not contended that these considerations amount to a demonstrative proof lhat the vital principle... | |
 | Literary and philosophical society of Liverpool - 1864 - 278 páginas
...developed only by ag-enc analogous with known forces. 4M, the permanence of form and structure observal during many generations of the same species. 5th, the absence of any indications as to what becomes the vital principle at death. 6th, the periodicity of life. generis, but the question naturally arises,... | |
 | Smithsonian Institution. Board of Regents - 1872 - 480 páginas
...forces. 5th. The absence of any indications as to what becomes of the vital principle at death. 4th. The permanence of form and structure observable during many generations of the same species. It is not contended that these considerations amount to a demonstrative proof that the vital principle... | |
 | 1867 - 484 páginas
...2d. The great dissimilarity between the properties of the imponderables and those of vitality. 4th. The permanence of form and structure observable during many generations of the same species. 3d. The difficulty arising from the hypothesis that the embryo of a living thing is developed only... | |
 | Smithsonian Institution. Board of Regents - 1867 - 484 páginas
...2d. The great dissimilarity between the properties of the imponderables and those of vitality. 4th. The permanence of form and structure observable during many generations of the same species. 3d. The difficulty arising from the hypothesis that the embryo of a living thing is developed only... | |
 | 1865 - 974 páginas
...thing is developed only by the agencies of the known forces. "4th. The permanence of form and"structure observable during many generations of the same species....indications as to what becomes of the vital principle of death. " 6th. The periodicity of life." We know that many conjectures have been hazarded to account... | |
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the permanence of form and structure observable during many generations of the same species. 5th, the absence of any indications as to what becomes of the vital principle at death. 6th, the periodicity of life. generis, but the question naturally arises,... 