Published in Proceedings of the Biological Society of Washington, in 1933, in volume 46, pages 1-23
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 25-32
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Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 33-35
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 37-38
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 39-40
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 41-43
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 45-53
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 55-56
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 57-63
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 65-66
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Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 67-68
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Published in Proceedings of the Biological Society of Washington, in 1933, in volume 46, pages 69-70
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Published in Proceedings of the Biological Society of Washington, in 1933, in volume 46, pages 71-77
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 79-81
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 87-89
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 91-93
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 95-99
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 109-112
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 113-117
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 119-120
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 121-122
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 123-128
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Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 129-138
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 147-149
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Published in Proc. Biol. Soc. Wash, in 1933, in volume 46, pages 153-154
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 157-158
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 159-160
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 161-165
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 167-173
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Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 175-182
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 183-186
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 187-189
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 191-192
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Published in Proceedings of the Biological Society of Washington, in 1933, in volume 46, pages 193-194
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 195-198
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 199
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 201-205
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 207-211
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Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 213-215
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