575 172621 D. A. Bell Catalog L8 575 Larus glaucescens Location U.B.C. Research Farm, near mouth of Oyster River, Vancouver Ist. B.C., Canada Sex 0-7 T.S.E. RW wt 1280g Fat: Poor Wing L L- 45.1 Span 151.0 Pr. L 10- 32.2 7- 30.0 9- 33.2 6- moulted 8- 33.1 5- moulted TailL 18.1 Tarsus L: 6.48 Toes in 4.90 mid 6.43 out 6.02 HeadL 13.73 Hal 0.66 Bill L 6.41 Post masy 3.65 Bill W [illegible] 1.35 Gape 3.46 Bill D Gouys 2.35 ant nery 2.25 Post nery 2.06 Brood patches 3 refeeding Bill color um 5Y8-8 /m 5Y8-8 Spot 15 Eyering S RP 6-4 PF-M Irides 10 Y R 8-3 Pigment 10 Y R 3-2 DG 3/4 Legs S RP 6-4 Remarks P° 10-7, 4-1. Stomach empty.