16 15 14 13 12 II 10 9 8 7 6 5 1 3 



S- LATITUDE-N 



Fig. 6--Sigma-t in grams per liter. Hugh M. Smith cruise 14, sta- 

 tions 1-16, 155° W. longitude, 8° N. to T^S. latitude, January- 

 February 1952. Plotting interval 0.2 g/l. 



16 15 14 13 12 



10 98765432 



cc 



LU 

 (- 

 UJ 



X 

 r- 

 Q- 

 IjJ 

 Q 



1000 





S- LATITUDE -N 



Fig. 7--Salinity in per mille. Hugh M. Smith cruise 14, stations 

 1-16, 155° W. longitude, 8° N. to~T° S. latitude, January- 

 February 1952. Plotting interval 0. 2 /oo. Isopleths of 

 sigma-t a 23.2, 26.4 and 27.0 entered as dashed lines. 



12 



