POLLOCK EGGS 



TAIL- FREE EMBRYO 



ABNORMAL EMBRYO - 

 PROBABLY ABOUT TAIL- 



OIL DROPLETS 



BUD STAGE 



NO OIL DROPLETS 



OIL DROPLETS 



TAIL - 



BUD EMBRYO 



i 



i 



OIL DROPLET u 



ABNORMAL EMBRYO - 

 PROBABLY ABOUT TAIL" 



BUD STAGE WITH 

 COLLAPSED MEMBRANE 



Figure 4-7. Oil droplets adhering to pollock eggs and abnormal pollock 

 embryos collected in the area of the oil spill. (Photograph 

 by D. Perry, NEFC, Woods Hole, Massachusetts.) 



106 



