754 



MR ROBERT COCKBTJRN MOSSMAN ON 



Table XXXVI. — continued. 



Vapour in Cubic Foot of Air. Tenths of Grains. 





N. 



N.E. 



E. 



S.E. 



S. 



s.w. 



W. 



N.W. 



Calm. 



January, 



4 





 O 



3 



2 



1 



3 



2 



4 



1 



February, . 



2 



1 







1 







5 



3 



2 







March, 



5 



2 



O 



2 



1 



2 



2 



3 







April, . 



4 



2 



1 



2 



2 



2 



1 







1 



May, . 



4 







1 







2 



2 







3 



1 



June, . 



4 



1 



2 



O 



1 







1 



1 



1 



July, . 



3 



2 



1 



4 



4 



2 







3 







August, 















3 



5 



2 



1 



2 



2 



September, . 



S 



1 



1 



1 



3 



1 



1 



3 



2 



October, 



5 



1 







3 



1 



3 



1 





 O 



1 



November, . 



7 



2 







2 



2 



4 



1 



3 



2 



December, . 



3 



2 



2 



3 



2 



5 











2 



Spring, 



4 











1 



2 



2 



1 



3 







Summer, 



3 



1 



1 



1 



2 



3 







2 



1 



i 



Autumn, 



6 



3 



1 



1 







3 







o 



1 



Winter, 



3 



2 



2 



1 



1 



4 



2 



2 



1 



Year, . 



4 



1 







1 







2 



1 



9 







Note. — The heavy type indicates an excess, and the italic type a defect. 



