102 103 104 



HORIZONTAL SCALE 



400 8Q0RM 



FIG. 30 -PROFILE ISOBARIC SURFACES, FROM CARNEGIE RESULTS, 1929 



95 96 97 98 99 100 101 102 103 104 



HORIZONTAL SCALE 



490 apOK 



FI&3I-VERTICAL DISTRIBUTION DENSITY, NORTH-SOUTH SECTION CROSSING EQUATOR, 

 FROM CARNEGIE RESULTS, 1929 



142 



