18 Ross 172542 415 Catalog Larus glaucescens Stel t RW Location: Ross Island, Massett Inlet, Graham Island, Queen Date July 25 1988 Charlotte Islands, B.C. sex ♀ 3 ov > 0.10 cm ♂ canada Weight: 1000g Fat Poor Winglength W 41.3 Span: 140.5cm Pr. length 10 28.3 7 27.2 9 29.0 6 moltwf 8 28.6 5 4 Tailength 16.0 Tarsus W 5.10 Tocs in 4.32 mid 5.69 out 5.51 Headlength: 12.09 tail 0.46 Billength: 5.63 Port mors 3.55 Bill width: 1.17 Gape 3.03 Bill depth Groups 2.05 and tars 1.88 port 1.70 Broadpatles: 3 rfeatherwf Bill color Um: 5YB/6 LM: 5Y8/6 spot: color 15 eyemis color: 5RP 5/4 Iridides: 10YK 8/2 Pigment: 10YR 4/2 light space grains throughout legs 5 RP 5/4 Remarks: Stomach empty except for mereis clams + a couple otoliths. Both alulae. p° 10-7, 4-1.