...explanatory account of all these circumstances. Very different is it with the following phenomena. From the southern point of Africa to the North Cape...plants which at least belong to the same family (the Ericaceai) ; but if we go to Australia, we find under corresponding conditions, not one Ericaceous...

...the botanic gardens. Then again : " From the southern point of Africa to the North Cape in Mageroc, the heaths extend throughout the Old World, merely...— plants which at least belong to the same family (thr> Ericaceœ); but if we go to Australia we find, under corresponding conditions, not one EricaceOUH...

...understood, nor can be explained by them. Take for example the following phenomena. From the southern part of Africa to the North Cape in Mageroe, the heaths...conditions of soil, we find not a single species of trie heath in all America. They are replaced by allied 200 207 plants, the Ericacftr. Again, in Australia...

...ean be explained by them. Take for example the following phenomena. From the southern part of Afriea to the North Cape in Mageroe, the heaths extend throughout the old world, merely leaping over the proper tropieal regions. With the same latitndes, the same elimate, and similar eonditions of soil, ive tiud...

...for example ihe following phenomena. From the southern part of Afriea to the North Cape in Ma^eroe, the heaths extend throughout the old world, merely leaping over the proper tropieal regions. With the same latitndes, the same elimate, and similar eonditions of soil, ive find...

...circumstances. Localities Very different is it with the following phey«t inexpiic* nomena. From the sonthern point of Africa to the North Cape in Mageroe, the...plants which at least belong to the same family (the Ericacece); but if we go to Australia, we find under corresponding conditions, not one Ericaccous plant,...