On Conversation (1756) [ Concepts ]
… articulation, perfectly understand one another by the sounds they utter; and that dogs, cats, &c. have each a particular language to themselves, like different nations. Thus it may be supposed, that the nightingales of Italy have as fine an … to be under the influence of reason, and do not keep up the proper conversation of human creatures, as imitating the language of different animals. Thus, for instance, the affinity between Chatterers and Monkeys, and Praters and Parrots, …
Conversation | Animals | Theatre
Anthology