ILLUSTRATIONS (cont'd) 



FIGURE Page 



Hugh M. Smith cruise 30 (NORPAC) (cont'd) 



140 - 142. Dissolved oxygen on surfaces of constant thermosteric anomaly. 128 



143 - 144. Normal and 1955 mean monthly position of the Aleutian Low and Eastern North 

 Pacific High and of the northeast trades and westerlies and tracks of the 

 centers of the low pressure areas for July and August 1955 131 



TABLES 



Page 

 Charles H. Gilbert cruise 17 



Table 1. Oceanographic station data 134 



Table 2. Summary of observations at BT lowerings 174 



Table 3. Log of weather observations 183 



Hugh M. Smith cruise 27 



Table 4. Oceanographic station data 190 



Table 5. Summary of observations at BT lowerings 239 



Table b. Log of weather observations 246 



