THE TIDES. 175 



water, and the corresponding solar noon tides and 

 solar midnight tides, due to the sun not being 

 in the earth's equator, constitute the lunar and 

 solar diurnal declinational tides. In summer 

 the noon high water might be expected to be 

 higher than the midnight high water, because 



FIG. 27. Declinational Tide. 



the sun is nearer overhead to us than to our 

 Antipodes. 



By kind permission of Sir Frederick Evans, I am 

 able to place before you these diagrams of curves 

 drawn by Captain Harris, R.N., of the Hydrographic 

 Department of the Admiralty, exhibiting the rise 

 and fall of tides in Princess Royal Harbour, King 

 George Sound, Western Australia, from January 



