Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 1-10

Published in Proc. Biol. Soc. Washington, in 1955, in volume 68, pages 11-20

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 21-30

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 31-35

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 37-39

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 47-58

Published in Proceedings of the Biological Society of Washington, in 1955, in volume 68, pages 61-63

Published in Proceedings of the Biological Society of Washington, in 1955, in volume 68, pages 65-66

Published in Proceedings of the Biological Society of Washington, in 1955, in volume 68, pages 67-78

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 79-81

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 83-86

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 87-94

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 95-100

Published in Proceedings of the Biological Society of Washington, in 1955, in volume 68, pages 101-104

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 105-107

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 109-111

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 113-123

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 129-141

Published in Proceedings of the Biological Society of Washington, in 1955, in volume 68, pages 143-144

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 145-147

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 149-150

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 151-154

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 155-156

Published in Proc. Biol. Soc. Washington, in 1955, in volume 68, pages 157-164

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 165-166

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 167-172

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 175-176

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 177-178

Published in Proceedings of the Biological Society of Washington, in 1955, in volume 68, pages 179-181

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 183-184

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 185-191

Published in Proceedings of The Biological Society of Washington, in 1955, in volume 68, pages 193-195

Published in Proceedings of the Biological Society of Washington, in 1955, in volume 68, pages 197-203