357 Gilmore SKENDER BILLED SHEARWATERS (14) 1931 all directions, one could see no mud To the flying mass of birds. It was simply incredible; the numbers of birds must have been enormous for there was one every 50-700 ft. Given 1 bird for every area 50'x50' and the total estimated area of flight as 40 miles x 40 miles (purely a speculation as to how far they extended on each side), and applying a little mathematics one gets some- thng like this: 1 bird every 2500 sq.ft. in an area of 1600 sq. miles (or 4,605,470,000 sq. ft.) or a total of 17,842,176 birds. That's low! - looked to me as if there was were empty-mup million more. Not being an astronomer, I doubt if Dean figure any higher, anyhow. Adam anyhow, the birds were found in the very mouth of the bay but undoubtedly kept well off shore. Sept. 15 Unalaska, Unalaska Is., Aleutians. Here is a peculiar phenomena related by Henry Swanson, capt. of the "Kinaga Native." He states that every time he