Published in Proc. Biol. Soc. Washington, in 1917, in volume 30, pages 97-103

Published in Proc. Biol. Soc. Washington, in 1917, in volume 30, pages 163-164

Published in Proc. Biol. Soc. Wash., in 1917, in volume 30, pages 31-34

Published in Proc Biol Soc Wash., in 1917, in volume 30, pages 123-124

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 87-88

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 79-82

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 9-12

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 23-26

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 89-94

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 145-146

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 189-197

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 33-34

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 117-118

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 13-16

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 171-174

Published in Proceedings of the Biological Society of Washington, in 1917, in volume 30, pages 119-120

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 165-170

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 29-30

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 131-132

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 63-70

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 151-158

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 19-21

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 159-160

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 107-116

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 147-148

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 71-73

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 105-106

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 149-150

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 133-143

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 83-86

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 179-184

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 27-28

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 185-188

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 95-96

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 51-62

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 175-178

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 35-42

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 17-18

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 3-6

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 127-129

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 43-50

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 161-162

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 1-2

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 7

Published in Proceedings Biol Soc Washington, in 1917, in volume 30, pages 122