Published in Proc. Biol. Soc. Washington, in 1903, in volume 16, pages 61-62

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Published in Proc. Biol. Soc. Wash., in 1903, in volume 16, pages 3-4

Published in Proceedings Biological Society Washington, in 1903, in volume 16, pages 55-57

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 117-118

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 177-182

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 89-90

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Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 83-87

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 9-10

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 5-8

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 171-176

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 63-71

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 1-2

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 47-48

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 73-77

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 79-82

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 31-43

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 119-120

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Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 19-23

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 29-30

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 45-46

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 121-122

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Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 15-16

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 17-18

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Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 105-111

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 167-169

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 13-14

Published in Proceedings of the Biological Society of Washington, in 1903, in volume 16, pages 102

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 49

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Published in Proceedings of the Biological Society of Washington, in 1903, in volume 16, pages 50