[1474] Ibid.
[1475] Ibid. 7—.
[1476] Ibid. 8, 11.
[1477] Personal Narrat. E. T. v. 88. He says also that each stream almost has its peculiar species (Ibid. 98), and that they sometimes emigrate to stations they had not infested before. Ibid. 106—.
[1478] Hor. Entomolog. 519.
[1479] Latr. ubi supr. 3.
[1480] Géographie, &c. 22—.
[1481] Ibid. 27.
[1482] Géographie, &c. 20—.