400 
PACIFIC SCIENCE, VoL XXI, July 1967 
Fig. 5. Occurrences of Pleuroncodes planipes on ccofi cruise 6002, February I960. Oblique plankton 
tows from 140 m to the surface were taken with a meter net at stations about 40 miles apart on a grid 
plan. The area sampled is enclosed by the black line. Daytime captures are shown with an open circle, night- 
time captures with a closed circle. 
