294 



MR. LUBBOCK ON TIDE OBSERVATIONS. 



Tables to he used in predicting the Time of High JVater at Liverpool, 



Table XXI. 



Showing the Semimenstrual Inequality + a constant, or the Interval between the 

 Moon's Transit and the Time of High Water, her Parallax being 57', and her De- 

 clination 15°. (This Table has been formed by interpolation from the column 

 corresponding to Parallax 57' in Table VII.) 



Table XXII. 



Showing the Semimenstrual Inequality -\- a constant, or the Height of High Water 

 at Liverpool, the Moon's Parallax being b7', and her Declination 15°, from the 

 Sill of the Old Dock Gates. 



