Tissot, Geographic comparee de la province romaine d'Afrique, ii.
The specialization which accompanies the division of labour has important geographical consequences, for it necessitates communi 1 On the influence of land on people see Shaler, Nature and Man in America (New York and London, 1892); and Ellen C. Semple's American History and its Geographic Conditions (Boston, 3903).
I've left various geographic features like rivers and mountain ranges, since the Danube, for instance, isn't only in Austria-Hungary, and I've left some other things like articles on Princes of Transylvania, since I'm not sure where they're supposed to be.
In North America about thirty species and twice as many geographic races (subspecies) are known, and the occurrence of several distinct fossil forms shows that the genus has long been established.
I'll bet there's a National Geographic special on this very subject.
On a smaller scale are the local adaptive radiations which occur through segregation of habit and local isolation in the same general geographic region wherever physiographic and climatic differences are sufficient to produce local differences in food supply or other local factors of change.
Glaser, Geschichte and Geographic Arabiens (Berlin, 1890).
Bredow's principal works are Handbuch der alten Geschichte, Geographic and Chronologie (Eutin, 1799; English trans., London, 1827); Chronik des 19.
It may, however, well be that both peach and almond are derived from some pre-existing and now extinct form whose descendants have spread over the whole geographic area mentioned; but this is a mere speculation, though indirect evidence in its support might be obtained from the nectarine, of which no mention is made in ancient literature, and which, as we have seen, originates from the peach and reproduces itself by seed, thus offering the characteristics of a species in the act of developing itself.
The change which took place during the 19th century in the substance and style of geography may be well seen by comparing the eight volumes of Malte-Brun's Geographic universelle (Paris, 1812-1829) with the twenty-one volumes of Reclus's Geographic universelle (Paris, 1876-1895).