Banks 1960 Zontrichia atricopla 5. Apr. 12 6 Ivy Drive, Orinda, Contra Costa Co., Calf. All other facial or head tracts are complete -- no sheaths. A couple sheaths internally. Apr. 15 near Orinda -- Pearson home -- one bird brought by O.P.P. Crown 5C. A very few crown feathers still in sheath -- these before eyes, in black stripes. Cheeks and behind eyes with sheaths, as are a few primaries. All these 3 or more grown. Central rectrices apparently not replaced. No sheaths on secondaries or covarts. Most ant. central feathers new, but many sheaths on feathers nearly full grown. -- throat same. Neck similar -- Mostly renewed plumage -- very near end of molt. Apr. 22 Ad., Crown 5C. A very few sheath remnants in internal region are only sign of molt. Central rectrices have apparently not been replaced. Oct. 16 Groveland Ranch Many of these birds, singing nearly, in small flocks around the edge of the meadow. The one I got was an ad. J with fully developed crown. It had a deformed hind toe, left foot. There was one breast feather in sheath -- but for practical purposes, there was no molt.