Why the Old Styles of Whaling stopped

The growing scarcity and wariness of the Greenland Right whale and the fall in the price of oil and whalebone gave the Balæna Mysticetus or Greenland Right whale an indefinitely prolonged close season, and in the Southern Seas the sperm and the Southern Right whale (Australis) fishing almost entirely ceased, owing to increased working expenses, smaller catches, and the fall in the price of oil.