Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 1-7

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 9-24

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 25-33

Published in Proc. Biol. Soc. Washington, in 1973, in volume 86, pages 35-40

Published in Proc. Biol. Soc. Wash., in 1973, in volume 86, pages 41-68

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 69-77

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 79-103

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 105-112

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 113-116

Published in Proceedings of the Biological Society of Washington, in 1973, in volume 86, pages 117-125

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 127-142

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 143-151

Published in Proceedings of the Biological Society of Washington, in 1973, in volume 86, pages 153-161

Published in Proceedings of the Biological Society of Washington, in 1973, in volume 86, pages 163-174

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 175-191

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 193-202

Published in Proceedings of the Biological Society of Washington, in 1973, in volume 86, pages 203-209

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 211-229

Published in Proceedings of the Biological Society of Washington, in 1973, in volume 86, pages 231-242

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 243-245

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 247-260

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 261-277

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 279-298

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 299-313

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 329-331

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 333-337

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 339-350

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 351-355

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 357-371

Published in Proceedings of the Biological Society of Washington, in 1973, in volume 86, pages 373-383

Published in Proceedings of the Biological Society of Washington, in 1973, in volume 86, pages 385-389

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 391-402

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 403-412

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 413-422

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 423-434

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 435-437

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 439-446

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 447-460

Published in Proceedings of The Biological Socoety of Washington, in 1973, in volume 86, pages 461-482

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 483-494

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 495-500

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 501-510

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 511-516

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 517-523

Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, issue 25, pages 315-327