DISCOVERY REPORTS, VOL- XIX 



PLATE XX 



LATITUDE 40°S 

 STATION 



.2500 

 50^=3000 

 -3500 

 -4000 



2000 



3000M- 



4000M- 



5000M- 



'4-^^ — Riooo 



5900- 



The distribution of silicate along section i 3) from the ice-edge in 72 01' S, 171 26' Vt , 

 north of the Ross Sea, to Auckland, New Zealand. January 1934. 



