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(21) May 21, 1960 Cerro Pichincha [[underlined]] Diglossa [[/underlined]], I Watched the same birds of the little black species again today. [[pink marking]] One [[male symbol]] interjected R's into the middle of his songs, when he was apparently all by himself. Not all his song phrases included R's; but at least a third did. I observed two cases of what were probably actual attacks or supplanting attacks deep in the shrubbery. Involving different birds. Each attack was accompanied by an R, followed immediately by 2 distinct notes: "Sreeeeeeeeee Ta-ta" [[image: drawing perpendicular line]] These terminal notes may have been "intention movements" of song. Cerro Atacaso This afternoon we went up Atacaso looking for Diglossas. At one point, a couple of thousand feet below where [[underlined]] aterrima [[/underlined]] is so common, all the Diglossas we could identify were of the small black species. (Unfortunately, we couldn't investigate the region where the ranges of [[underlined]] lafresnayei [[/underlined]] and the small black species must meet or overlap, as the rain & fog came down.) [[/pink marking]]