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Fig. 10. Track of R.R.S. 'William Scoresby' off Callao. Sts. WS 663-671 were carried out on July 1-3, 

 Sts. WS 728-734 on August 20-21. Isotherms in July are shown as continuous, in August as broken lines. 

 After Sts. WS 663 and 728 course set 242°, after St. WS 668 course set 062°. Stations listed on the site of 

 WS 662 are control Stations. 



Fig. II. San Juan. Track of the ship, June 22-24. Inset left: stations in Pisco Harbour (June 25). After 

 St. WS 647 course set 224°, after St. WS 653 course set 044°. Inset right : track of the ship off Arica, June 

 19-20. After St. WS 640 course set 238°. 



