...become plastic, and tends to depart in some small degree from that of the parental tpye." (P. 12.) " Our ignorance of the laws of variation is profound....pretend to assign any reason why this or that part differs, more or less, from the same part in the parents." (P. 167.) And Mr. Darwin also recognises...

...accurate predication, and variety is generally considered accidental. " Our ignorance (says Mr. Darwin) of the laws of variation is profound. Not in one case...pretend to assign any reason why this or that part differs, more or less, from the same part in the parent ;"* and again, " variation is a very slow process,...

...neither very swift nor very strong, will have been neglected, and will have tended to disappear.* 1153. Not in one case out of a hundred can we pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means of instituting...

...but had been created in stone so as to mock the shells now living on the sea-shore. Swrmmoury. — Our ignorance of the laws of variation is profound....pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means of instituting...

...lived, but had been created in stone so as to mock the shells now living on the sea-shore. Summary. — Our ignorance of the laws of variation is profound....pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means ot instituting...

...useful, or hurtful, or indifferent.' On the contrary, Mr. Darwin writes (Summary of Chap. V.): — " Our ignorance of the laws of variation is profound. Not in one case out of » hundred can we pretend to assign any reason why this or that part varies more or less from the same...

...him inexplicable and, like all beginnings, it remains to this day a deep mystery. Darwin said of it: Our ignorance of the laws of variation is profound....assign any reason why this or that part has varied." In another place he remarks: When we reflect on the millions of buds which many trees have produced...

...deep mystery. Darwin said of it: Our ignorance of the laws of variation is profound. Not in one ease out of a hundred can we pretend to assign any reason why this or that part has varied." In another place he remarks : When we reflect on the millions of buds which many trees have produced...

...him inexplicable and, like all beginnings, it remains to this day a deep mystery. Darwin said of it: Our ignorance of the laws of variation is profound. Not in one ease out of a hundred can we pretend to assign any reason why this or that part has varied.'1 In another...

...lived, but had been created in stone s'o as to mock the shells now living on the sea-shore. Summary. — Our ignorance of the laws of variation is profound. Not in one case out of a hundred cau we pretend to assign any reason why this or that part differs, more or less, from the same part...