l/* P Y ^^^ tour-digir number* in the column on the left give the latitude ond longitude of the 

 ■^^1 tootheail corner of eoch one degree -quodrongl*. Each one-degree quodrongle it divided 



into 30-1 

 give: A- 



iinute quodrongle*, numbered ot m the diogrom to the right. The colu 

 minimum lemperolure, 6- mommum temperature, C- number of year*. D 



mi of tf\**« tobies 

 number of doyi. 



DEPTH ZONE 



27 



