B. C. F. T mas end Cron-rcll Y&y 196!; Cru±3e 
The Iky 1961; Towns end Grra»aLl cruise was the fourth of a a spies of 
cruises run by the U, 8* Fish and ’ildlife Bureau of Commercial Fisheries 
covering a fixed grid to the east of the min Hawaiian Islands for the 
purpose of determining the variations in structure of the water masses 
and currents of this arm. The cruise started 17 Fay 6U and ended $ June 
6k f covering approximately Ij600 miles in 20 days. 
Racific Project personnel maintained daily sunrise to sunset bird 
observations for a total of 253.1 hours. In addition Project personnel 
aided in recording weather observations and in taking bathythermograph 
traces. Project personnel included David Bratley and Warren King. 
Upon availability of oceanographic data, an attempt will be node to 
correlate bird distribution with prevalent oceanographic conditions of 
the cruise. 
