SPECIES ACCOUNTS Wedge-tailed Shearwater (Puffinus pacificus) Only two of this species (both dark phase) were observed south of the equator. The greatest concentrations were noted in large feeding flocks at 5°N (31 January) and 11°N (7 February), all but a very small percentage of which were light phase birds. Townsend Shearwater (Puffinus auricularis) This species was observed only in the vicinity of the Mexican and Central American coasts. Over 80 percent of the total number recorded were observed in the large flocks of 7 February at 13°N. Black under- tail coverts, as well as the black back, were distinct on several closely observed individuals. Audubon's Shearwater (Puffinus lherminieri) This species was observed only in the vicinity of the Galapagos Is- lands. The brown back was distinct on several closely observed individ- uals. Dark-rumped Petrel (Pterodroma phaeopygia) Two individuals of this species were observed on 2 February at 7°N 88°W. Juan Fernandez Petrel (Pterodroma externa) This species was observed only south of the equator. Individuals were observed daily from 20°S to the equator along 98°W. Black-winged Petrel (Pterodroma hypoleuca) This species was observed only south of the equator. White-winged Petrel (Pterodroma leucoptera) White-winged Petrels were observed only south of the equator. Half of these were recorded on a single day (20 February). This species was distinguished by the dark crown and side of head.