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The Origin and Distribution of the Genera of the Fishes of South America West of the Maracaibo, Orinoco, Amazon, and Titicaca Basins

Authors: Carl H Eigenmann

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 1-6

Created: 2017-01-01, modified: 2023-02-16

Growth in Trees

Authors: D T Macdougal

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 7-14

Created: 2017-01-01, modified: 2023-02-16

The Action of Bases and Salts on Biocolloids and Cell-Masses

Authors: D T Macdougal

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 15-30

Created: 2017-01-01, modified: 2023-02-16

A Natural Group of Unusual Black Oaks

Authors: William Trelease

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 31-33

Created: 2017-01-01, modified: 2023-02-16

The Fixed Glacial Anticyclone Compared to the Migrating Anticyclone

Authors: William Herbert Hobbs

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 34-42

Created: 2017-01-01, modified: 2023-02-16

Discussion of a Kinetic Theory of Gravitation, II, and Some New Experiments in Gravitation

Authors: Charles F Brush

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 43-61

Created: 2017-01-01, modified: 2023-02-16

Rose Atoll, American Samoa

Authors: Alfred Goldsborough Mayor

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 62-70

Created: 2017-01-01, modified: 2023-02-16

Tobit's Blindness and Sara's Hysteria

Authors: Paul Haupt

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 71-95

Created: 2017-01-01, modified: 2023-02-16

A New Hoplophoneus from the Titanotherium Beds. Investigation Aided by a Grant from the Marsh Fund of the National Academy of Sciences

Authors: William J Sinclair

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 96-98

Created: 2017-01-01, modified: 2023-02-16

The Control of the Foreign Relations of the United States: The Relative Rights, Duties, and Responsibilities of the President, of the Senate and the House, and of the Judiciary, in Theory and in Practice

Authors: Quincy Wright

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 99-455

Created: 2017-01-01, modified: 2023-02-16

Entelodonts from the Big Badlands of South Dakota in the Geological Museum of Princeton University. Investigation Aided by a Grant from the Marsh Fund of the National Academy of Sciences

Authors: William J Sinclair

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 467-495

Created: 2017-01-01, modified: 2023-02-16

On Mean Relative and Absolute Parallaxes

Authors: Keivin Burns

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 496-502

Created: 2017-01-01, modified: 2023-02-16

The Nature and Origin of the Fishes of the Pacific Slope of Ecuador, Peru and Chili

Authors: Carl H Eigenmann

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 503-523

Created: 2017-01-01, modified: 2023-02-16

Measurement of Star Diameters by the Interferometer Method

Authors: F G Pease

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 524-534

Created: 2017-01-01, modified: 2023-02-16

The Peopling of Asia

Authors: Aleš Hrdlička

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 535-545

Created: 2017-01-01, modified: 2023-02-16

An Electro-Chemical Theory of Normal and Certain Pathological Processes

Authors: G W Crile

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 546-552

Created: 2017-01-01, modified: 2023-02-16

The Coudersport Ice Mine

Authors: Edwin Swift Balch

Published in Proceedings of The American Philosophical Society, in 1921, in volume 60, issue 220, pages 553-559

Created: 2017-01-01, modified: 2023-02-16