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Published in Proceedings Biological Society Washington, in 1905, in volume 18, pages 113-116

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Published in Proc. biol. Soc. Washington, in 1905, in volume 18, pages 253

Published in Proceedings of The Biological Society of Washington, in 1905, in volume 18, pages 65-71

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Published in Proceedings of the Biological Society of Washington (Proc.Biol.Soc.Wash.), in 1905, in volume 18, pages 107-110