1987 Catalog Doug Bell 172398 048 Larus occidentalis 149 Location: Alcatraz I., S.F. Co., Calif. Skeleton + Date: 2 June 1987 Left Wing + Sex: & L: 1.50 x 1.00 x 0.98 R: 1.36 x 1.03 x 0.83 cm Rt Wing P°/O-3; 1+2 in molt Wt: 1,165 grms Fat: Good Winglength: 41.5 cm (Rt.) Chord: 14.3 cm Primary Length 10: 29.6 7: 27 9: 29.9 (wmm) 6: 26.1 8: 29.0 5: 24.5 Tail: 16.4 cm Pigment on shafts + slightly on vanes mid: 6.21 In: 5.07 Tarsus: 6.19 cm (Rt.) Toes: Out: 6.00 Hallux: 0.32 Headlength: 12.88 cm Bill length: 5.46 post nares: 3.64 Bill Width: 1.45 Bill Depth: Genys: 2.21 Ant Nares: 2.20 Post Nares: 2.12 Brood Patches: 3 Bill Color: 10 YR 7/12 Gong spot: 5 YR 6/10 (after short freeze) Eying Color: 10 YR 7/10 Even pigment, diffuse in lower 1/2 of iris. Iris: 5 Y 8/4 Pigment: 2.5 Y 3/2 Legs: 2.5 R 6/4 Remarks: trapped off 3 egg nest. Mate of 148. Blood + 2 frozen meals. Stomach trace fish vertebrae + 2 shells (white).