K. Amennan 1964 Valuit Atoll, Marshall Islands This island was divided into two parts. The main (southern) portion contained a pure Pisonia forest with some Massarochmilia and the pear-shaped-leaf tree around the edge. Three mature coconut palms occurred near the edge and numerous seedlings were scattered along the south shore. Inside the forest was a large area of "birds' nest plants", concentrated at the southern end. The other section of the islet was a stand of pure Pemphis up to 80' tall, on bare coral rock that was extremely difficult to walk on. Hawaiian Noddies, Red-footed Boobies and Greater Frigate were the main birds. The Hawaiian Noddies were nesting in numbers (perhaps 400 nests total) in both the Pemphis and Pisonia. Red-feet were confined to Pisonia. About 200 were on the island when we arrived. This number rose to about 1000 after dark, the greatest percentage being immatures. They nearly covered most of the trees - very dense. The natives report that boobies occur only on this island at this atoll. "The same problem arises as at Eniwetok - why? Also, here, why such a large population on such a small area and what is the source of all the