Note 310 — Chapter I
Reading edition
Toribio, Hist. de los Indios, MS., Parte 3, cap. 8.—Cortés, indeed, speaks of four causeways. (Rel. Seg., ap. Lorenzana, p. 102.) He may have reckoned an arm of the southern one leading to Cojohuacan, or possibly the great aqueduct of Chapoltepec.