Published in Proc. Biol. Soc. Wash., in 1908, in volume 21, pages 47-52

Published in Proceedings of the Biological Society of Washington, in 1908, in volume 21, pages 189-190

Published in Proceedings of the Biological Society of Washington, in 1908, in volume 21, pages 33-34

Published in Proceedings of the Biological Society of Washington, in 1908, in volume 21, pages 31-32

Published in Proceedings of the Biological Society of Washington, in 1908, in volume 21, pages 19-30

Published in Proceedings of the Biological Society of Washington, in 1908, in volume 21, pages 219-232

Published in Proceedings of the Biological Society of Washington, in 1908, in volume 21, pages 125-136

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 157-161

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 43-46

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 39-41

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 211-212

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 1-9

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 175-188

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 149-152

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 91-105

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 107-118

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 197-198

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 63-67

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 213-218

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 207-209

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 35-37

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 119-124

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 143-144

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 145-147

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 171-173

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 141-142

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 11-18

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 137-140

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 53-61

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 69-83

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 85-89

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 165-169

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 199-206

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 153-156

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 191-195

Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 163