86 



DR SUTHERLAND SIMPSON AND DR J. J. GALBRA1TH ON 



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Fig. 1. — Mean diurnal temperature curve for Periods I., II., and III. in B {Maeacus 

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 line II., and the crossed line III. 



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Fig. 2. — Mean diurnal temperature curve for Periods I., II. , and III. in C {Maeacus 

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 line Period II., and the crossed line Period III. 



