SELF-REGISTERING ANEMOMETER AND RAIN-GAUGE. 



141 



between any one hour of the day and the next hour following, for each of the seasons, 

 1852, 1853, 1854, and 1855. See Plate XI. 



Many interesting and important results remain to be worked out from the 

 very accurate and complete series of observations that have been recorded 

 at Liverpool, under the skilful and vigilant care of Mr. Hartnup. His 

 Tables, which will increase in value with their progressive accumulation, are 

 admirably arranged, and contain much more information than any I have 

 hitherto seen. 



The following Table exhibits the extreme pressure of the -wind in pounds 

 on the square foot, and the greatest horizontal motion of the air between any 

 one hour and the next hour following, for all the gales during the four years 

 in -which the pressure has reached fifteen pounds on the square foot. 



