Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3

Produced by Sue Asschers
GEORGE BELL & SONS. 1908. LONDON: PORTUGAL STREET, LINCOLN'S INN. CAMBRIDGE: DEIGHTON, BELL AND CO. NEW YORK: THE MACMILLAN CO. BOMBAY: A.H. WHEELER AND CO.

The longitudes mentioned in the text refer always to the meridian of the Observatory of Paris.
The real is about 6 1/2 English pence.
The agrarian measure, called caballeria, is eighteen cordels, (each cordel includes twenty-four varas) or 432 square varas; consequently, as 1 vara = 0.835m., according to Rodriguez, a caballeria is 186,624 square varas, or 130,118 square metres, or thirty-two and two-tenths English acres.
20 leagues to a degree.
5000 varas = 4150 metres.
3403 square toises = 1.29 hectare.
An acre = 4044 square metres.
Five hundred acres = fifteen and a half caballerias.
Sugar-houses are thought to be very considerable that yield 2000 cases annually, or 32,000 arrobas (nearly 368,000 kilogrammes.)