after all this, our philosophers yet condescended to usé sly slices of it, dexterously detached, even from thé setting df Nichol, whenever they found them- selves in a cusmoganal “fix.” But now that the author of the “ Vestiges,” in his turn, has taken it, cut and dry, from Nichol, and while he has been laudably endeavouring to make it work out its seeming des- tiny in ‘his own ‘pages, it is discovered to be mere paste after all, or, in. the language of our reviewer, (p..2i,) “it is a splendid vision, and may vanish in mid air.”. . But as if something joth to part with it, he adds, in the same sentence tuo, by way of atford- ing cdnsolation to ages yet unborn, “that in five hundred years: (as 2 day to 2 geologist) it may pass into a good substantial theory.” ‘Geological lan- ‘uage. furnishes us with’ the analogy, and we inant suggest that henceforth, it might not unfitly be calied, THE TRANSITION THEORY. We have already exceeded our limite, but lest our