15 TABLE #9. LIST OF SPECIES BY RELATIVE IMPORTANCE, EAC 13, 29 MAY-12 JUNE 1967. SAN FRANCISCO TO PANAMA Primary Species (Linear Density with a digit before the decimal point) Manx Shearwater Sooty Tern Wedge-tailed Shearwater Secondary Species (Linear Density with first digit in the first decimal place) White-rumped Storm Petrel Black Tern Cooks Petrel Black Storm Petrel Sooty Shearwater Pale-footed Shearwater Brown Booby Common Noddy Tern Tertiary Species (Linear Density with first digit in the second decimal place) Frigate sp. Dark-rumped Storm Petrel Christmas Shearwater Albatross sp. Red-billed Tropicbird Red-footed Booby Blue-faced Booby Sabines Gull Phalarope sp. Jaeger sp.