20 



TUTIRA 



of the lake is rapidly filling up, and must ultimately become dry land. 

 The stream which now passes into the lake and out again some 60 



dfa%fP-d&/*~n$fc 



Northern bay, 1921. 



yards distant is destined in the not far distant future to discharge 

 itself directly, without comminglement with the waters of the lake. 



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Northern bay say one hundred years hence. 



In droughts, or when nor'-westers press its waters south, for a few 

 days or hours every year, Tutira lake will remain landlocked. 1 



To reiterate : Reasons have been given why the lakes of the station 



1 The pressure of wind upon water even on so small a surface as that of Tutira is very 

 noticeable. Upon cessation of violent nor'-west gales I have seen water forced over the low 

 gut separating in calm weather the twin sheets of water, Tutira and Waikopiro, pouring back 

 to the depth of many inches ; there has in fact occurred, in a small way, what happens in the 

 Red Sea on an immense scale. 



