170 
EOTAL HORTICULTURAL SOCIETY. 
The agreement between these results, considering the tentative 
character of such observations, may be deemed satisfactory. Pro- 
bably the means between the two sets would represent a nearer 
approach to accuracy. 
As it is usunl to take the mean of the barometrical observations 
as on expression for the mean statical pressure of the atmosphere 
during the month or year, so also the j csultant of Iho winds should 
be taken to represent the mean dynamical force of the ntmosphcric 
movement for the same place and period. If this were done 
generally valuable information as to the relation of these statical 
and dynamical forces might be derived from comparisons of result 
at different stations. True, the observations of wind a]'e not so 
precise as those of the barometer; nevertheless, a com|')ensation of 
errors might be depended upon from a large number of stations ; 
and, in a general way, we should be able to affirm wii h cor/sidcrable 
accuracy the movements of the atmosphere during the months and 
seasons, and be able to trace the temperature and vapour which 
entered and left the country during these periods. 
These results for 1873 show at a glance that at London our air 
came for the most part from the jNfE during February, March, and 
April; in May from the NW; in June the winds were evidently 
very variable; during July and August there was great excess of 
SW winds ; in September and October we had most air from "WSW; 
in November the winds were again very variable, and January and 
December show that most air came from the SW. 
It would be instructive and interesting to study the mean 
heights of the barometer in relation to these wind resultants, and 
this can be done by reference to the meteorological tables published 
in the journal of the Eoyal Horticultural Society. 
XXXI. Eeport on Broad Beans Grown in the Garden at Chiswick, 
1874. By A. F. Baerojj-, Gardener-in-Chief, and Secretary to 
the Fruit Committee. 
The collection, composed of about fifty packets (a great portion 
being duplicates), was sown on March 6th in very deeply-trenched 
fresh soil, in lines three feet apart. Notwithstanding the dry 
season, the Beans continued to grow well, and kept free from 
blights. The trial was in all respects a satisfactory one. The 
Committee awarded two First-class Certificates, and reduced the 
number of varieties to twenty. A further trial is necessary to 
