Marshall, 1940 a 13. Melospiza melodia Along on S side Richmond Contra Costa, Calif. This is the only suitable marsh 1. S.S. habitat between The Richmond hills and the tule marsh just S of Stege. None found anywhere else between these pts. except one singing in shrubbery & doorway of house at Stege, only 200 yards yds. from tule marsh. This slough ran toward the bay from Cerrito - & is about 3/4 mi East of the Ford plant. It is lined with dense cover of salicornia, & here & there bushes (a composite) towards the mouth of the slough, there is a dense & [illegible] cover of these bushes, 3-4' high & about 5-10 yards wide. Several pairs of S.S. were found along this slough - foraging in salicornia, singing from tops bushes, flying low over salicornia diving in, or alighting in shrubbery). I took 3 (779-81) & Ston took 2. The part of the slough occupied by song sparrows is only about 300 yards long, the total population of song sparrows must be 16 or 20. a very sm slough & isolated by