Reports on the Scientific Results of the Expedition to the Tropical Pacific, in Charge of Alexander Agassiz, by the U. S. Fish Commission Steamer "Albatross" from August, 1899, to March, 1900, Commander Jefferson F Moser, U. S. N., Commanding. III. Medusae, TOGETHER WITH 4 additional monographs on medusae by A. G. Mayer
$75.00