[1532] This treatment and the previous quotation sound rather like Thomas of Cantimpré, but I did not notice such a passage in his De natura rerum at the time that I had access to MSS of it, although at that time I was not searching for this particular topic.
[1533] Hist. des Poissons, I, 35; cited HL XVIII, 489.
[1534] Spec. nat., III, 101-11; I, 19; V, 114; XXXII, 122.
[1535] Spec. doctr., X, 121.
[1536] The passages cited will be found in Spec. nat., XXVII, 52-61, but I have altered Vincent’s order of presentation.
[1537] Spec. nat., XXV, 42-44.
[1538] Ibid., cap. 45.
[1539] Ibid., IV, 26-27.
[1540] Ibid., IV. 37 and 83; XVI, 43.
[1541] Ibid., XVI, 27-42.