| If it is based only on the pure theory of transformism, there is nothing explained at all. |
| In no case can true variations claim to be of great importance in problems of transformism. |
| That is the Darwinian part of an explanation of transformism which may be conceded as an hypothesis. |
| A direct consequence of this theory of embryological origin bears on the question of species transformism. |
| It does not enter into our plan to set down here the proofs of transformism. |
| But these are characteristics of life itself, irrespective of all its specific forms, which alone are concerned in transformism. |
