AoAMis. — Uannoiuc Tidal Constants of New Zealand Ports. 21 



In the United States tide-tables, predictions for Wellington and Auck- 

 land are also given, but these do not agree so closely with actuality as 

 those depending on the constants in columns (1) and (4). 



(1.) New Zealand Tidal Survey : Report of Department of Lands and Survev^ 



Wellington, for 1910-11. — Hourly ordinates for the calendar year 1909. 

 (2.) United States Coast and Geodetic Survey, Washington : Tide-tables for the 



Year 1911, p. 456. — Hourly ordinates for one calendar year, 1894. 

 (3.) Thomas Wright, Proc. Royal Soc, London, A. Vol. 83, p. 127 : Harmonic: 



Tidal Constants for certain Chinese and New Zealand Ports. — High and low 



waters for the year 1901. 

 (4.) New Zealand Tidal Survey : Report of Department of Lands and Survey. 



Wellington, for 1911-12. -- Hourly ordinates for year beginning 1908, 



December 1. 

 (5.) United States Coast and Geodetic Survey, Washington : Tide-tables for Year 



1912, p. 460. — High and low waters for two calendar years, 1896 (Service 



Hydrographique de la Marine, Paris) and 1900 (The Admiralty, London). 

 (6.) Thomas Wright, Proc. Royal Soc, London, A. Vol. 83, p. 127 : Harmonic 



Tidal Constants for certain Chinese and New Zealand Ports.— High and low 



waters for one year beginning 1900, May 1. 



