Published in Proceedings of the Biological Society of Washington, in 1969, in volume 81, pages 473-477
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 1-30
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 31-42
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 43-62
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 63-80
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 81-92
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 93-111
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 113-128
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 129-142
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 143-166
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 167-170
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 171-176
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 177-188
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 189-192
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Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 193-200
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Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 201-204
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 205-208
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Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 209-217
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Published in Proc. Biol. Soc. Washington, in 1969, in volume 82, pages 219-232
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 233-241
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Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 243-280
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Published in Proceedings of The Bioliogical Society of Washington, in 1969, in volume 82, pages 281-294
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Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 295-322
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 323-328
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 329-348
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 349-354
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Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 355-372
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 373-380
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 381-399
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 401-402
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 403-408
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 409-427
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 429-438
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 439-441
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 443-452
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 453-459
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Published in Proc. Biol. Soc. Wash., in 1969, in volume 82, pages 461-468
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 469-476
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Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 477-488
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 489-490
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 491-501
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 503-506
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 507-509
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 511-517
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 519-524
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 525-538
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 539-558
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 561-578
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 579-584
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 585-601
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 603-609
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 611-617
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 619-649
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 651-661
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 663-670
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 671-686
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 687-758
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Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 789-797
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