[74] Seemann's Isthmus of Panama.
[75] I am indebted for this note to the Rev. Leonard Jenyns. See his edition of White's Selborne, (1843) p. 66.
[76] Zoologist, pp. 6541, 6564.
[77] Ceylon, i. 211.
[78] Journ. Asiat. Soc. Bengal, vi. 465.
[79] Brit. Fishes, i. xxvii. Aristotle had long before given the same explanation.
[80] De Pisc. in siceo degent.
[81] De Piscibus.
[82] Siam, i. 144.
[83] Emb. to Siam, i. 10.