Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 1-3
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 5-14
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 15-19
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 21-23
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 25-28
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 29-34
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 35-37
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 39-44
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 45-55
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 57-61
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 63-65
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 67-82
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 83-86
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 87-94
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 95-98
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 99-101
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 103-106
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 107-117
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 119-122
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 123-129
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 131-140
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 141-146
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 147-154
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 155-165
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 167-170
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 171-174
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 175-182
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 183-193
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 195-196
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 197-198
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 199-214
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 215-219
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 221-233
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 235-238
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 239-244
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 245-260
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 261-266
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 267-273
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Published in Proceedings of The Biological Society of Washington, in 1960, in volume 73, pages 275-279
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Published in Proceedings of the Biological Society of Washington, in 1960, in volume 73, pages 281-286
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