1803, John Browne Cutting, “A Succinct History of Jamaica” in Robert Charles Dallas, The History of the Maroons, London: Longman and Rees, Volume 1, pp. lxxviii-lxxix, […] the alco, a mute little dog, caressing and sequacious, once loved and cherished by its poor Indian masters, is like them exterminated.
Source: wiktionary