Note 279 — Chapter V · THE SPANISH MISSIONS.
Reading edition
Called by the natives Ylacco or Walaka, the river of many lakes; by the French Rivière Mai, as Ribaut entered it on the first of that month; by the Spaniards Rio Matheo, Rio Picolato, on some charts by mistake Rio San Augustin, Rio Matanca and Rio Caouita, and not till much later Rio San Juan, which the English changed to St. Johns, and St. Whan.