Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 1-3

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 5-8

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 9-16

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 17-23

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 25-34

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 35-45

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 47-51

Published in Proc. Biol. Soc. Wash., in 1964, in volume 77, pages 53-64

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 65-72

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 73-112

Published in Proceedings of the Biological Society of Washington, in 1964, in volume 77, pages 113-117

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 119-121

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 123-124

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 125-126

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 127-156

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 157-159

Published in Proceedings of the Biological Society of Washington, in 1964, in volume 77, pages 161-170

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 171-173

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 175-181

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 183-188

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 189-194

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 195-198

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 199-214

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 215-222

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 223-236

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 237-240

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 241-242

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 243-246

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 247-249

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 251-252

Published in Proceedings of The Biological Society of Washington, in 1964, in volume 77, pages 253-257