Marshall, 1947 Mulo-piza Alameda Apr 20th San Leandro Creek, Alameda Co., Calif. 3 PM windy, cold, cloudy. Very extensive tracts of willow, typha, etc on NE side Alvarado, but creek & growth do not get across highway to west except for one dried up tract of willows. Creek is drained elsewhere, apparently to N where a large shallow pot sighted with bare ground around it. Old bed of creek now a little salicornia slough. Across road from it is a ditch with Typha & brown song sparrows common. At Mr. Best's house on N bank of slough Alameda 1 mi W Alvarado there are song sparrows in his garden. The slough is wide here & represents the original mouth of Alameda creek where the willows used to grow. old S bank is now very high & supports stand Conium of foeniculum & weeds with many song sparrows. Not seen in lush salicornia itself. StanBrats used to come up as far as Best's house. [Diagram] 2 seen in salicornia willows on 3 old stream bed J = seen May 29 Coll 4 birds from 1 mi N Alvarado in willows, typha, weeds.