Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 73-82

Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 200

Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 29-33

Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 83-85

Published in Proc. Biol. Soc. Wash, in 1906, in volume 19, pages 133-141

Published in Proc. Biol. Soc. Wash, in 1906, in volume 19, pages 159-172

Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 67-69

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 1-2

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 143-153

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 43-44

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 101-112

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 173-182

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 87-90

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 183-192

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 121-125

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 49-50

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 127-132

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 46-47

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 51-56

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 23-24

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 25-28

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 59-60

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 61-65

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 35-39

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 155-157

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 42-43

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 93-94

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 71-72

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 99-100

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 17-22

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 193-197

Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 7-16

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 115-120

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 57

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 95

Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 97

Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 45