Fig. 1 in The cestode community in northern fur seals (Callorhinus ursinus) on St. Paul Island, Alaska

Fig. 1. Map showing the areas at which helminths of the northern fur seals (Callorhinus ursinus) have been studied by previous authors (gray circles) and the present authors (black circle) in the Bering Sea. The detailed map of St. Paul Island, Alaska with sampling sites (rookeries) is enlarged.