The discovery of North America : a critical, documentary, and historic investigation ; with an essay on the early cartography of the New World, including descriptions of two hundred and fifty maps or globes existing or lost, constructed before the year 1536 ; to which are added a chronology of one hundred voyages westward, projected, attempted, or accomplished between 1431 and 1504 ; biographical accounts of the three hundred pilots who first crossed the Atlantic; and a copious list of the original names of