Matthew Fontaine Maury’s Whale Chart

Whale Chart Maury

“This chart divides the ocean into districts of five degrees of latitude by five degrees of longitude; perpendicularly through each of which districts are three lines; one to show the number of days that have been spent in each month in every district, and the two others to show the number of days on which whales, sperm or right, have been seen.”

Herman Melville