46 REPORT—1840. 
12 feet above ground...... ican sereesnena +. 8206 
6 feet above ZrOUNA.........seeeseeeeeerers 8249 
3 feet above Ground......s.eseesseaseeeeees 8314 
O feet above ground.........++sss.e+ seeeee 8408 
During this period it has sometimes happened that more rain fell in the 
upper gauges, a circumstance apparently dependent on the dryness of the air, 
which has been very remarkable in the early part of the period in question. 
1. 2. 3. 4. 
June 30 1575 1547 1509 1508 
July 12 2018 2030 2046 2022 
Aug. 14 2347 2315 2300 2260 
Sept. 3 2468 2422 2394 2416 
8408 8314 8249 8206 
maximum rate 0100 in 2’ = 300 in one hour. 
In the second part of his communication the author describes a new 
construction of rain gauge for the purpose of determining the direction 
in which rain comes, and the angle of inclination at which it descends. 
For this purpose a compound gauge is constructed, having five equal 
receiving funnels and tubes; one with a vertical tube and horizontal 
aperture, the other four with tubes recurved so as to present the open- 
ings of the funnels in four vertical planes directed to four quarters of 
the horizon (see diagram), 
where / is the horizontal funnel, v', v", v'’, three of the four vertical 
openings, and ec’ ec" cl’, three corresponding cocks for letting off the 
water into a graduated tube. 
The rain which falls in the funnels A, v! vv!" v'" being carefully 
measured after each shower, the observer is able immediately to deter- 
mine the direction and inclination of the rain in each of the following 
cases :— 
1. If the rain has fallen in a direction exactly coinciding with any one 
of the vertical funnels, that and the horizontal funnel alone receive any 
