Doug Bell 1987 CATALOGUE 172395 DAB 124 Larus occidentalis. Skeleton + Left Wing + Rt wing p0 Location: Alcatraz I., SF. Co., Calif. DATE: May 15, 1987 Sex: ♦ Q.Testis: 1.59 x 1.25 x 1.02 Rt. Testis: 1.42 x 1.15 x 1.02 cm Weight. 1,095 gms. Light Fat Rt. Winglength: 41 cm RIGHT Primary Length: 10: 28.55 7: 26.70 9: 28.80 6: 25.60 8: 28.40 5: 24.00 Tail Length: 16.20 cm Left Tarsus: 6.52 Middle: 6.45 Toes: Outer: 6.27 Inner: 4.93 Hallux: 0.73 Bill Length: 5.86 " Length Posterior Nares: 3.87 cm Head length: 12.72 cm Bill Width: 1.40 cm Bill Depth: Gonyx: 2.12 cm Ant. Nares: 2.12 cm Post. Nares: 2.09 cm Brood Patches: 3 Bill Color: Orange Yellow Eye ring Colors Orange yellow. Iris: Straw Yellow + light pigment over bottom half (diffuse). Leg Color: Fleshy Pink. Remarks: Trapped off 3-egg nest on dried grass west of Industry Building. Approx. 2 x 2 cm piece of distal webbing on medial side of left foot missing. Left Wing whole taken, + all Primaries, right wing. Testes+ Tongue fixed in formulin. Stomach contents: fish vertebrae - saved. Several worms in fascia of liver neck. Tissues saved - in 2 tubes.