after all this, our philosophers yet condescended to usé sly slices of it, dexterously detached, even from thé setting df Nichol, whenever they found themselves in a cusmoganal "fix." But now that the author of the " Vestiges," in his torn, has taken it, cut and dry, from Nichol, and while he has been laudably endeavouring to make it work out its seeming destiny 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 too, by way of atfording 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