Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 1-2

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 3-4

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 5-6

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 7-8

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 9-12

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 13-15

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 17-20

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 21-54

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 55-64

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Published in Proceedings of the Biological Society of Washington, in 1930, in volume 43, pages 65-71

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 73-78

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 79-80

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 89-96

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 97-122

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 123-124

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 125-128

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 129-131

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 133-135

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Published in Proc. Biol. Soc. Wash., in 1930, in volume 43, pages 137-144

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 145-148

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 149-150

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Published in Proceedings of the Biological Society of Washington, in 1930, in volume 43, pages 151-152

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 153-155

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 161-162

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 163-165

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 167-178

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Published in Proceedings of the Biological Society of Washington, in 1930, in volume 43, pages 179-184

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Published in Proceedings of the Biological Society of Washington, in 1930, in volume 43, pages 185-188

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 189-191

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 193-194

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Published in Proceedings of The Biological Society of Washington, in 1930, in volume 43, pages 195-196

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