1
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Fro. 4. Diagram showing (for Weaten Australian qmaiea of fro& (a) months over
whioh mdns have been heard calling (molid bar) end f e d a wen breeding ( o w bar
above Solid bar); and. (b) air tamperstover which d e a have been heard celling
( d i d ber) and ferndm wan breeding (open bar above d i d bar). The mean tempemture
at which fmmales have been Been breeding is &own BB s Ma& triangle.