j 



^ttGM^mwm***!,. 



FIGURE 29. Fathometer bottom trace (fathogram) of four 

 Pacific seamounts. 



FIGURE 30. Fathograms showing a southwest Pacific sea- 

 mount, the Easter Island Swell, and the continental slope of 

 south Australia. 





56 



w^**"*" 



FIGURE 31. Fathograms of two antarctic sea-floor escarpments. 



FIGURE 32. Fathogram of the continental slope of Antarctica 

 near the Mackenzie Sea. 



