ILLUSTRATIONS (cont'd) 

 FIGURE Page 



36. Surface phosphate-phosphorus distribution in p.g-at/1, 



H. M. Smith cruise 21 60 



37. Phosphate-phosphorus distribution ([j.g-at/1) on the 24. 5 



sigma-t surface, H. M. Smith cruise 21 60 



38. Phosphate-phosphorus distribution (|jLg-at/l) on the 26. 5 



sigma-t surface, H. M. Smith cruise 21 61 



