Charts. Cartago Bay (Cruiser Bay), Isabela (Albemarle) Island, Galapagos Islands, Pacific Ocean, from survey by U. S. S. Yorktown in 1909; with inset, Darwin Bay, Tower Island, from reconnaissance made by U. S. S. Marblehead in 1925; chart 2561. Scale naut. m.=4 in., natural scale 1:18,241.