for several days) that they had lost the dusky markings on the back of their neck, that portion being pure white now. This indicates the assumption of the new spring dress. Young birds were seen assuming adult plum- age. They were growing white and tail, underparts, head and croup and wore a dirty blue man- tle, this part not being as bright as in adult birds. The tail was pure white except for a subterminal bar of black). 13 birds were seen ranging from plain dusky young to birds like the above described. Titlarks seem more tawny and streaked with more dark longitudinal- dark markings on sides and underparts. The white eye ring and superciliary stripe may be seen some distance. They are quite tame and are now very neat. A flock of Gulls were sitting on the ground not far from me where two or them thrush backs their