SMITHSONIAN INSTITUTION WASHINGTON 25, D. C. Oct. 22, 1963 SECOND PROGRESS REPORT * OCT-NOV. TRIP Oct. 18 Landed on Howland Island about 2:00 Oct. 19 - 20 On Howland Island Oct. 21 Left Howland Island about 7:00 AM On our second visit to the island we recounted all nests; banded the few remaining birds, collected insects and surveyed the plants. Activities between our first and second visit had resulted in about a 50 percent reduction in the nesting population of Masked Boobies. Banding: Masked Booby Adult 305 2178* 95 Immature 67 117 95 Nestling - 17 100 Red-tailed Tropic Bird Adult 1 12 25 Nestling - 13 100 Red-footed Booby Adult 31 31 30 Immature 5 -5 30 Nestling 1 -1 100 Great Frigate Adult 1 -1 30 Common Nolby Immature 3 -3 30 Adult 1 1 100 Collecting: Masked Booby - 10 Brown Booby 7 10 Red-footed Booby 11 11 Lesser Frigate 1 1 Golden Plover 3 8 Ruddy Turnstone - 3