the dark phase birds further south in May moving into the southern part of the area in greater numbers in June with the corresponding greater penetration north. Newell's Shearwater Numbers of this species decreased 53 percent from May (49) to June (23). A similar decrease occurred last year. The largest concentration (10) was in the southwest corner instead of the southeast corner where it was located in May. Lesser numbers were seen north and south of Oahu and in the south- east corner. Kermadec Petrel Eight individuals of this species were seen this month, four times as many as May. They were seen mostly in the western part of the area. Three were seen in a feeding flock. None were seen last June. Phoenix Island or Tahiti Petrel Four individuals were seen in the southern part of the area - two in the southeast corner and two in the southwest corner. Separation of these two species at sea is almost impossible. Dark-rumped Petrel Only six birds of this species were seen in June compared to sixteen in May. The concentration north of the high Hawaiian Islands was not present this month. One bird was seen as far south as 13°N. Exact data is lacking for June 1964, but it appears that fewer birds were seen this June than last June. Juan Fernandez Petrel Six hundred and eighty-seven birds were seen this month plus 12 with white napes. Only 263 were seen in May. This large increase occurred last year between June (186) and July (609). Two large concentration areas were