...well seen in those removed from temperate regions to the tropics, or from the latter to the former. But when we view the subject generally, and allow...seem intended to fill the situations they occupy as * We must refer, as before, to the various works which treat on the distribution of animal and vegetable...

...distinguished." Mr. De la Beche also says (Geological Researches, 1834, p. 239, 1st. edit. 8vo.) " There can be no doubt that many plants can adapt themselves to...created as the conditions arose, the latter not causing • modification in previously existing forms productive of new species." anterior to the earliest...

...well seen in those removed from temperate regions to the tropics, or from the latter to the former. But when we view the subject generally, and allow...previously existing forms productive of new species. If the mass of vegetable and animal life were now such as it always has been, existing species when...

...distinguished." Mr. Do la Beche also says (Geological Researches, 1834, p. 239, 1st. edit. 8vo.) " There can be no doubt that many plants can adapt themselves to...were fitted for them ; they appear created as the coaditions arose, the latter not causing a modification in previously existing forms productive of...

...is now distinguished," whether in a fossil or recent state ; and M de la Bêche says, " there can be no doubt that many plants can adapt themselves to...numerous exceptions, terrestrial plants and animals seem intruded to fill the situations they occupy, as these were Sited for them; they appear created as the...