on. each vessel and these set only on bodies of crab located by other 
means : 
It should be the general policy in all fishing activities 
to determine the extent of any body of crabs located. Also an effort 
should be made to obtain the information essential to determine the 
most effective type of trawl and method of operation. 
It is not presumed that your perogatives as "Supervisor 
of fishing operations” should conflict with the recognized authority 
of the Captain of a vessel on the high seas, however, it is to be 
understood that the Captains of the various vessels should cooperate 
with you to the fullest extent consistent with the safety of the crew 
and vessel in carrying out the general program of the expedition, 
(b) As fishery observer aboard the "Dorothy* you should 
follow the program recommended for this phase of the work and keep 
such records. You will be responsible for seeing that a periodic 
experimental pack of canned crab meat is prepared and that the cans 
are suitably marked for subsequent identification. 
R. Harrison, 
Technologist in Charge. 
RWH:vh 
