Published in Proceedings of the Biological Society of Washington, in 1969, in volume 81, pages 473-477

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 1-30

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 31-42

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 43-62

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 63-80

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 81-92

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 93-111

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 113-128

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 129-142

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 143-166

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 167-170

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 171-176

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 177-188

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 189-192

Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 193-200

Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 201-204

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 205-208

Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 209-217

Published in Proc. Biol. Soc. Washington, in 1969, in volume 82, pages 219-232

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 233-241

Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 243-280

Published in Proceedings of The Bioliogical Society of Washington, in 1969, in volume 82, pages 281-294

Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 295-322

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 323-328

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 329-348

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 349-354

Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 355-372

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 373-380

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 381-399

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 401-402

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 403-408

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 409-427

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 429-438

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 439-441

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 443-452

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 453-459

Published in Proc. Biol. Soc. Wash., in 1969, in volume 82, pages 461-468

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 469-476

Published in Proceedings of the Biological Society of Washington, in 1969, in volume 82, pages 477-488

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 489-490

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 491-501

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 503-506

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 507-509

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 511-517

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 519-524

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 525-538

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 539-558

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 561-578

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 579-584

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 585-601

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 603-609

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 611-617

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 619-649

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 651-661

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 663-670

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 671-686

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 687-758

Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 789-797