ATLANT. DEEP-SEA KXPED. 1910. VOL. l] 



UF.PTH OF ISOBARIC SURFACES. 



99* 



200 d.-bars 



600 d.-bars 



/O" 60* 50' 40° 50* 20° lO" 0° 10 



70- 60* 50° 40'' JO* CO' '0" O' 10' 



50' 45° 40° J5° 50° 25° 20° 15° 10° 50° 46° 40° 55° 50° 25* 20° 15° no- 



'iOOO d.- bars 



1400 d.-bars 



60° 50° 40° 50° 20° lO 



■30° 45° 40° 35° 50° 25° 20° 15° 10" bO° 4--.° 40° 55° 30° 25° 20° 1S° lo' 



