Holmes, R 1962 Catalog 4. 9 June Barrow, Alaska 5 1562 ? I. steganopus tricolor - T=9x5mm- very light fat. 47.6 no molt - apparently 1st year. 16.5m. divided Barrel Ridge 1563 ♀ Erolia fuscicollis -ova 9,5,3,2,<2 mm. 48.4 light fat- no molt- no development in the throat region. - displayed to - by another bird via courtship posture RB Ridge 1564 ♂ Erolia alpina -ova 15,10, 6-<2mm- light fat 66.3g b no molt ; brood patch cleared- not well develop. 1565 VOID 12 June Barrow, Alaska 1566 ♂ Erolia bairdi - T=9x5mm- light fat- 36.0g brood patch developing . No molt 8,11=24mm Eism Bluffs 1567 ♂ T=9x5m. light fat 36.5 no br. patch. no. molt- bill=22 mm. twirling up aerial display landing 1568 ♂ Erolia melanotos T=10x6m - very light fat 109.1g No br. patch - no molt. Throat heavily rasc. bill=30 m 1569 ♂ T=14x8m - very light fat 99.5 no br.g. - no molt. Mno well developed, throat rasc. bill= 29m 13 June Barrow, Alaska 1570 ♂ Arenaria interpres - T=9x4mm- light fat 101.1 brood patch well developed ; bird incubating & making excited run t flight - as I approached. No molt Eism Plotts W 1571 ♀ Erolia alpina -ova: 1 in oviduct ; 1-14mm, 71.9 1-9 mm-2 coll. follicle (for 1 in oviduct)- brood patch was. not opaque yet W 1572 ♂ T=10x5mm-light fat - no molt 55.0 -no brood patch- (defeathering) bill=31m