Patelka 1946 89 Cyanocorax dickeyi Oct. 19 El Batel, 5100 ft. Sinaloa Throughout the period of observation, and particularly during the first half of the period, one or more individuals called off and on, the variety notes being such as to defy complete registration on first acquaintance with them. At least five stand out in my brief study of them: (1) ke-ke-ke-ke-ke, a harsh and throaty series of notes; (2) a note similar in quality to the first, but consisting only of a long ka-a-a-a; (3) a softer, almost whistled ke-e-e-e, starting high and dropping down in pitch as the call is protracted; (4) ker-r-r-r, suggestive of a raven's call, but considerably softer spoken, and higher pitched; (5) k-k-k-who-uk-kerree, one of the more complicated notes, the first three syllables being hard unmusical staccato notes, followed rapidly by the syllables whee-uk, the last note being distinct and more drawn out than any of the others. There were fully five or more notes in addition to those recorded above, but those heard most frequently were the ones which I remembered distinctly. The notes were garruline in quality and the only aspect of them which impressed me, relative to other corvids I have observed, was the variety given apparently in merely routine and