Department of Tropical Research Expedition Illustrations

Illustrations from the DTR's British Guiana expeditions

Illustrations from the DTR's British Guiana expeditions

Illustrations from the DTR's British Guiana expeditions

Illustrations from the DTR's British Guiana expeditions

Illustrations from the DTR's British Guiana expeditions

Illustrations from the DTR's British Guiana expeditions

Illustrations from the DTR's British Guiana expeditions

Illustrations from the DTR's Noma Expedition--also called the Harrison Williams Expedition--to the Galápagos Islands

Illustrations from the DTR's Arcturus Expedition to the Sargasso Sea, the Galápagos Islands, and the Hudson Canyon

Illustrations from the DTR's Arcturus Expedition to the Sargasso Sea, the Galápagos Islands, and the Hudson Canyon

Illustrations from the DTR's Arcturus Expedition to the Sargasso Sea, the Galápagos Islands, and the Hudson Canyon

Illustrations from the DTR's Arcturus Expedition to the Sargasso Sea, the Galápagos Islands, and the Hudson Canyon

Illustrations from the DTR's expedition to Haiti

Illustrations from the DTR's expedition to Haiti

Illustrations from the DTR's expeditions to Bermuda. These illustrations were laminated, likely in the 1930s

Illustrations from the DTR's expeditions to Bermuda. These illustrations were laminated, likely in the 1930s