SOUTH TEMPERATE ZONE • FREE TRANSLATOR.ORG • Definition of South Temperate Zone

... doubt very speculative, and I cannot wonder at your hesitating at accepting my views. To me, however, your theory of hosts of existing species migrating over the tropical lowlands from the North Temperate to the South Temperate zone appears more speculative and more improbable. For, where could the rich lowland equatorial flora have existed during a period of general refrigeration sufficient for this? and what became of the wonderfully rich Cape flora which, if the ...

— Alfred Russel Wallace: Letters and Reminiscences, Vol. 1 (of 2) • James Marchant