Published in Proceedings of the Biological Society of Washington, in 1958, in volume 71, pages 185-186
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Published in Proceedings of the Biological Society of Washington, in 1958, in volume 71, pages 149-152
Published in Proceedings of the Biological Society of Washington, in 1958, in volume 71, pages 27-36
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 173-178
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Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 125-130
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Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 53-56
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 113-117
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 75-79
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 107-111
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 69-74
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 21-26
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 153-154
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Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 95-106
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Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 37-42
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 143-148
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Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 1-4
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 43-48
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Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 43