DEPTH 



DEPTH 



METERS METERS 



_ u^ o "■ f w oo — "^ <* _ u-«o y *•* * ~ "^ <* 



_ 01- FEB. 17 



^ 02-MAR.3 « 



2000r 

 Y AXIS= NUMBERS 



OF FIRST 1000 

 PROTOZOEAE 







01- AUG.I5_ 



02 -AUG. 29 



03- SEPT 



04-SEPT26. 



05- OCT. 9 

 06- NOV. 7. 



07-OEC. 4 ...„. 



1962 



1963 



1964 



Figure 4. — Histograms showing the seasonal movement of the center of abundance of first protozoeae of P. 

 duorarum from shallow-water stations toward deepwater stations, Tortugas Shelf, Fla., August 1962 to 

 October 1964. Numbers preceding dates indicate cruise numbers. 



172 



U.S. FISH AND WILDLIFE SERVICE 



