Note 62 — FREDERIC THE GREAT’S EULOGY ON JULIEN OFFRAY DE LA METTRIE. (continued 2)
Gertrude Carman Bussey translation
5. A frog’s heart moves for an hour or more after it has been removed from the body, especially when exposed to the sun or better still when placed on a hot table or chair. If this movement seems totally lost, one has only to stimulate the heart, and that hollow muscle beats again. Harvey62 made this same observation on toads.