Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 1-10

Published in Proceedings of the Biological Society of Washington, in 1936, in volume 49, pages 11-13

Published in Proc. Biol. Soc. Wash., in 1936, in volume 49, pages 15-16

Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 17-23

Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 27-36

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Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 39-42

Published in Proc. Biol. Soc. Washington, in 1936, in volume 49, pages 43-50

Published in Proceedings of the Biological Society of Washington, in 1936, in volume 49, pages 51-54

Published in Proceedings of the Biological Society of Washington, in 1936, in volume 49, pages 55-58

Published in Proceedings of the Biological Society of Washington, in 1936, in volume 49, pages 59-62

Published in Proc. Biol. Soc. Washington,, in 1936, in volume 49, pages 63-66

Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 67-68

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Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 71-75

Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 77-81

Published in Proceedings of the Biological Society of Washington, in 1936, in volume 49, pages 83-85

Published in Proc. Biol. Soc. Washington, in 1936, in volume 49, pages 87-96

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Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 115-116

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Published in Proceedings of the Biological Society of Washington., in 1936, in volume 49, pages 159-166