Doug BELL 1987 CATALOGUE 172396 DAB 125 Larus occidentalis Skeleton + Left wing + Rt. Wing p0 Asym. 2nd window (double on 9) Location: Alcatraz I., S.F. (O., Calif. Date: May 15, 1987 SEX: B Left Testis: 1.71X 1.18 X 1.15cm Rt. Testis: 1.64 X 1.15X 0.92 cm Weight: 1,085 gms. Light Fat. Winglength (Rt): 41.80 cm Primary Length: (Right): 10: 29.0 cm 7: 27.80 cm 9: 29.60 cm 6: 25.90 cm 8: 29.1cm 5: 24.80 cm Tail Length: 15.90 cm Head Length: 12.82 cm Tarsus Length (Left): 6.28 Middle 6.10 cm Inner: 4.73 cm Toes: Outer 6.10 cm Hallux: 0.55cm Bill Length: 5.88 cm " Length @ Post. Nares: 3.80 Bill Width (Post nare): 1.42 cm Bill Depth: Genys: 2.13 cm PostNares: [illegible]. 1.98cm Ant. Nares: 2.06 cm Brood Patelas: 3 Bill Color: Orange Yellow Eyering Color: Orange Yellow Iris Color: Straw Yellow, bottom 3rd w/ light pigment (diffuse) Leg Color: Fleshy Pink. Remarks: Trapped off 3-egg nest on dried grass area west of Industry Building. Left Foot - mines well, at distal phalanx toe is a flap of webbing about 3X5mm + an equal-sized divert. Outer webbing, same foot, has 2 holes in it. Tissues taken - 2 nails. Stomach: small fish vertebrae + round things 2 mm &. Eyes preserved.