Some monogenetic trematodes from the Galapagos Islands and the neighbouring PacificPublished in Allan Hancock Pacific Expedition, in 1938, in volume 2, pages 31-89HYDROIDS OF THE 1934 ALLAN HANCOCK PACIFIC EXPEDITIONPublished in Allan Hancock Pacific expeditions, in 1938, in volume 4, issue 1, pages 1-106
HYDROIDS OF THE 1934 ALLAN HANCOCK PACIFIC EXPEDITIONPublished in Allan Hancock Pacific expeditions, in 1938, in volume 4, issue 1, pages 1-106