Bratley, D.A. 1964 Sand Island, Johnston Is. Atoll (Notes) Sun. July 12 (w/?) Jazz with a bill protruding from one end. The rest of the head was difficult to make out unless the down was brushed back. 642-01139 was found to be mated to 642-01133; 642-01109 was mated to 642-01132. 3 birds were banded. Also change-over took place this evening on the nest along the south bank of the concourse, east of the signal building (nest with one bird banded as 642-01138). It will now be watched for the next change-over time. Mon. July 13 Johnston Island — Red-Tailed Tropicbird — 17 nests were found today a Johnston; 9 of these had eggs; 8 were with young birds. 3 of the young were less than 10 days of age, 1 was from 10-20 days old, 2 were better than 21 days old, + 2 were nearly fledged. The two that were near fledging age were banded; color marked with orange leg streamers,+ painted with a blue line across the breast. Data as follows: Birds banded: band No. age/sex breeding status 535-13530 A-u Egg -13531 I-u nearly fledged -13532 I-u nearly fledged -13533 A-u Egg -13534 A-u Egg