Read it through once

From Baton Rouge to New Orleans, the great sugar plantations border both sides of the river all the way, and stretch their league-wide levels back to the dim forest-walls of bearded cypress in the rear. Shores lonely no longer. Plenty of dwellings all the way, on both banks--standing so close together, for long distances, that the broad river lying between the two rows, becomes a sort of spacious street. A most home-like and happy-looking region. And now and then you see a pillared and porticoed great manor-house, embowered in trees. Here is testimony of one or two of the procession of foreign tourists that filed along here half a century ago. Mrs. Trollope says--