Itinerary: April 3 - 2315 Depart San Diego 4 - 1130 Arrive Santa Barbara Island 5 - 0800 Depart Santa Barbara Island 1205 Arrive Anacapa Island 1700 Depart Anacapa Island 1750 Anchor at Santa Cruz Island April 6 - 0720-1700 Ship survey of Santa Cruz, Santa Rosa and San Miguel (including Prince Islet) April 7 - 0910 Depart Santa Cruz Island 1345 Arrive San Nicolas Island to pick up DeLong 1445 Depart San Nicolas Island April 8 - 1300 Enter Eastern Grid (section W) 1832 Sunset - end of observations in Grid (section W) April 10- 0515 Arrive San Diego Personnel: R.L. DeLong (BIC)(joined at San Nicolas April 7) R.L. Brownell J.P. Church V.N. Kleen Survey Vessel: M/V SIOUX CITY Methods: Diurnal pelagic observations were maintained enroute to Santa Barbara, between Santa Barbara and Anacapa, enroute from Santa Cruz to San Nicolas, and after departing San Nicolas until sun- set April 9. Landings were made on Santa Barbara and Anacapa. Santa Cruz, Santa Rosa and San Miguel were surveyed from the ship, but the planned landing at Prince Islet, San Miguel, was prevented by high wind and rough sea. DeLong surveyed pinnipeds on San Nicolas April 5-7 prior to boarding the SIOUX CITY. Mechanical troubles on the vessel restricted ob- servations in the Grid to a few hours during the afternoon of April 8.