Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 129-138

Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 67-68

Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 175-182

Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 33-35

Published in Proc. Biol. Soc. Wash, in 1933, in volume 46, pages 153-154

Published in Proceedings of the Biological Society of Washington, in 1933, in volume 46, pages 1-23

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 25-32

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 109-112

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 201-205

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 191-192

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 123-128

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 37-38

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 95-99

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 113-117

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 45-53

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 167-173

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 57-63

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 187-189

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 121-122

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 41-43

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 213-215

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 79-81

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 157-158

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 159-160

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 87-89

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 195-198

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 147-149

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 183-186

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 39-40

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 65-66

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 55-56

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 91-93

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 161-165

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 119-120

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 207-211

Published in Proceedings of the Biological Society of Washington, in 1933, in volume 46, pages 193-194

Published in Proceedings of the Biological Society of Washington, in 1933, in volume 46, pages 69-70

Published in Proceedings of the Biological Society of Washington, in 1933, in volume 46, pages 71-77

Published in Proceedings of The Biological Society of Washington, in 1933, in volume 46, pages 199