. Chimpanzee intelligence and its vocal expressions. Chimpanzees; Animal intelligence; Sound production by animals. SOUNDS ASSOCIATED WITH OTHER CREATURES 141 She was evidently still afraid, finally shrieking until she was taken up: ^£^-^^^^S^m ooh ooh ooh 279 ah oh ah ah oh ah, ah oh ah i u i u i u On another day in the open there was a large party of guests, during whose stay Chim had received much adulation from the younger people. He was loath to leave when it came time for him and Panzee to go indoors. He avoided the issue, at first, by climbing a large tree nearly to the top where he bui


. Chimpanzee intelligence and its vocal expressions. Chimpanzees; Animal intelligence; Sound production by animals. SOUNDS ASSOCIATED WITH OTHER CREATURES 141 She was evidently still afraid, finally shrieking until she was taken up: ^£^-^^^^S^m ooh ooh ooh 279 ah oh ah ah oh ah, ah oh ah i u i u i u On another day in the open there was a large party of guests, during whose stay Chim had received much adulation from the younger people. He was loath to leave when it came time for him and Panzee to go indoors. He avoided the issue, at first, by climbing a large tree nearly to the top where he built a nest, and where he seemed inclined to stay. Miss M. took Panzee and started off without him, in the hope that he would follow. After they had gone some dis- tance Panzee looked around, and finding that Chim was not v/ith her, went back after him. She had gone about half the distance when she seemed to realize that she was alone, and began to scream: Sva. ah oh ah ah oh ah etc. 280 i u i u When Chim heard this he ran up, and putting his arms around her, helped her along as gently as possible toward Miss M., thus atoning with his tenderness for his many sins of rough treatment in his Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Yerkes, Robert Mearns, 1876-1956; Learned, Blanche W. Baltimore, The Williams & Wilkins Company


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectanimalintelligence