Chart A. 



Skoc^'ing- 1 ^' IhetdaL number (fjires 

 ineacA monl/i during tkelasf two hund- 

 red years 



i""^ Ihe nuniberqf /nilfx of uind in 

 eathmonUL (meanof 7S79 a/iUisso). 



^ ^ ^ «t ^ ^ 



Jj^Jp-j- ' ^ "^ ^ y ^ 'k. m- 



■4j -i- m ^ ^ V m R 





* ;5^ ^ Ji^ ;g ' 5- 



Jan^ Feb.n Marck^ Afirdj\ Mcü/.% Juae^i Mi/:^ Auf^n ^^pl^ Qcl.n yVot^a Df c.^ 



