R. Grosum 1768 Audubon's Shearwater McKean Island Egg measurements. 50.2 x 33.5 ft. 46.7 x 33.2 SE 47.2 x 34.6 ft. melanistic ? Calmer measurements: 2Y.R L.D.Y R. Grosum 1768 Christmas Island Shearwater (Puffinus nativitatatus) 18-48 N; 159-33 W — 1704N; 160-48W 8 Oct. Two noted today, both in company with either pure wedgetail or mixed wedgetail- turn flocks. McKean Island 15 Oct: Banded one ad on the guano mound which was sitting with wedgetails. 19 Oct: Banded one ad (BP defathering) by 500 lagoon. No others, about + no sign of burrows. The above two records are uniques for this species during its entire stay on the island.