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Arctic Land Birds and Their Migrations
Arctic bird life appears more complicated than that of the arctic mammals because there are more recognized species of birds that breed in the... -
History of the Mediterranean Ecosystem in California
Similar physical environments, acting on organisms of dissimilar origins in different parts of the world, have produced structurally and functionally... -
Madagascar Relief and Main Types of Landscape
With a length of 995 miles from Diego-Suarez to Cap Sainte-Marie and a maximum width of 360 miles, Madagascar is the third largest island in the... -
In Conclusion
To conclude this work, which provides us with a wealth of material and every chapter of which has been contributed by an expert in his own field, a... -
Iraq
The climate of Iraq approaches the continental type with very hot summers and cold winters. The rainfall, which ranges from below 100 mm in the... -
Zoogeographical Aspects of the Australian Dipterofauna
It is not possible at present to give an exact picture of the Australian fauna of Diptera from the zoogeographical aspect, because our knowledge of... -
Subarctic and Arctic Mountains
The principal high mountains of the subarctic and arctic regions, so far explored by entomologists, include the mountain systems of Fennoscandia, the... -
The Mountains of Equatorial East Africa
The mountains of equatorial East Africa are of exceptional geographical, geological, ecological and biogeographical interest. An attempt is made in...