Published in Proceedings of The Biological Society of Washington, in 1971, in volume 83, pages 425-443

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 83, pages 469-476

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 83, pages 515-526

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, pages 1-5

Published in Proc. Biol. Soc. Wash, in 1971, in volume 84, pages 7-11

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 13-37

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, pages 65-72

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 73-80

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 95-102

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 103-111

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 113-118

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 119-128

Published in Proc. Biol. Soc. Wash., in 1971, in volume 84, pages 129-136

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 137-146

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 147-162

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 163-170

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 171-174

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 175-176

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 177-188

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 189-200

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 201-202

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 203-212

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 231-234

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, pages 235-244

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 245-252

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 253-258

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, pages 259-264

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 265-270

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 271-282

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 283-292

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 293-300

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 445-448

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 449-458

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 489-499

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 501-506

Published in Proceedings of The Biological Society of Washington, in 1971, in volume 84, pages 507-517

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, issue 4, pages 39-42

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, issue 5, pages 43-50

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, issue 6, pages 51-54

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, issue 7, pages 55-58

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, issue 11, pages 81-94

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, issue 26, pages 213-224

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, issue 27, pages 225-230

Published in Proceedings of the Biological Society of Washington, in 1971, in volume 84, issue 37, pages 301-306