384 EIGHTH PACIFIC SCIENCE CONGRESS 



ILLUSTRATIONS 



Figure 1 

 Hydrographic conditions off the coast of California, Oregon and Baja 

 California. Cruise 3 April 28-May 14, 1949. 



Figure 2 

 Plankton volumes off the coast of California, Oregon and Baja Cali- 

 fornia. Cruise 3 April 28-May 14, 1949. 



Figure 3 

 Plankton volumes for 1-meter net hauls along the course of the "Capri- 

 corn Expedition". Black columns for hauls with 200 m. wire out, open co- 

 lumns with 600 m. wire out. 



Figure 4 

 Microplankton volumes with No. 20 mesh net. 



Figure 5 

 Microplankton volumes together with isotherms at a series of stations 

 aci"oss the western crossing of the equatorial current system. 



Figure 6 

 Plankton volumes together with isotherms at the eastern crossing of the 

 equatorial current system. Open columns for 1-meter net hauls, block columns 

 for microplankton hauls — not drawn to same scale (see Figs. 3 & 4 for vol. 

 readings) . 



