98 
In 1872 the total at Titley was 49.54 inches. Hitherto Rocklands, Titley and 
Pool Cottage stations, alone of all Tlerefordshire stations, have yielded means of 
30 inches or more. Doubtless Longtown will now take the lead, unless a fresh 
observer in a wetter locality shall enter the lists. Lynhales will also, I doubt not, 
always stand in the foremost rank as it has very high land to the West and North 
West. lLeysters too, the highest rainfall station in the county, will probably 
take a place among the stations having 30 inches or more of mean rainfall. 
With respect to the three stations, the immediate subjects of the present 
remarks,— 
1st. The neighbourhood of Pool Cottage doubtless owes its comparatively: 
large amount of rainfall to its elevation and the influence of the high land and 
extensive wood of Acornbury. This hill is at least 916 feet above sea level, and 
its summit is not a mere peak but two ridges, each a mile in length at least, one 
facing N.N.E. and the other W. by N., very nearly, and meeting to the N.E. 
The wooded land too is very extensive. 
2nd. Titley of course feels in a still greater degree the effects of the more 
lofty Radnorshire mountains, and the altitude of the Titley gauge was more than 
100 feet greater than the gauges at Pool Cottage. 
8rd. Rocklands is low, but it is surrounded by the high lands and woods of 
the Forest of Dean; it is situated in a river valley; and it is within 11 miles of 
the estuary of the Severn. All these causes combine to increase the amount of 
rainfall in this neighbourhood, so that the mean of all the yearly totals at Rock- 
lands, only 97 feet above sea level, is found to be somewhat greater than the mean 
of the Titley yearly totals at an altitude of 600 feet. 
EDWIN J. ISBELL, 
September 8rd, 1875. 
> AADVE>—— 
lia 
