The bent of his mind was anything but polemical; he cared not to spend time even over those authors whose attacks on the outposts of science, or whose elaborate reconcilements of old and new, might have afforded him some support. On the other hand, he altogether lacked that breadth of intellect which seeks to comprehend all the results of speculation, to discern their tendency, to derive from them a consistent theory of the nature of things. Though a man be well versed in a science such as palaeontology it does not follow that he will view it in its philosophical relations. Martin had kept himself informed of all the facts appertaining to his study which the age brought forth, but without developing the new modes of mental life requisite for the recognition of all that such facts involved.
