Zonotrichia l. nuttalli 26 May 1955 Edwards Field, West Q (w) 1930 12-1 11.0 gm. All prim + sec at least a little out. No others out Active. Eyes open a little. L-1 11.2 gm. Same as above. Both defecated after being weighed 8th Prim < 1 mm. 27 May 1910 17-1 13.7 gm. w.t. after defecation 13.3 gm. All remigs + greater coverts + lesser sec coverts are thinner. Chula + its associates also thin. Flash + mid-lach and a few upper abdominals also out, worn. L-1 4.4 gm. More blurred, also some lower-lach upper-lach + leading edge feathers out. A few on thigh also, + some on crown. Eyes open. 8th Prim, 3 mm. w.t after defecation 14.2 gm. Some Oxford + Centre, West R (w) All birds were hatched when I looked at 1500+ today. 1925 R-1 3.0 Faint blurred spots. R-3 3.5 Faint back spotting, also. L-1 3.4 No spots L-3 3.1 As R-3. Spots both places. 28 May Edwards Field, West Q (w) 8630 Selected two young L-1 13.8 gm. R-1 12.7 gm. R-1 is after def. L-1 after def. was 13.5 gm. 8th Prim. 4 mm. 8th Prim. 4 mm.