Left. An oceanographer checks 

 Nansen bottles prior to taking a 

 water sample somewhere in the 

 North Pacific Ocean. 



Below. This salmon is ready to be 

 X-rayed for morphometric studies. 

 Asiatic and North American salm- 

 on stocks can be separated by study 

 of the body characters of fish taken 

 in the North Pacific Ocean and 

 Bering Sec. 



Right. Recurrent molting of the shell continues 

 throughout the king crab's life. This young 

 molting crab is a specimen collected by SCUBA 

 equipped biologists at Unalaska Island in the 

 Bering Sea. 



