Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 1-16
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 17-18
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 19-21
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 23-28
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 29-30
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 31-32
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 33-39
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 41-42
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 43-52
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 53-54
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 55
Created: 2011-12-13, modified: 2011-12-13
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 57-58
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 59-63
Created: 2011-07-31, modified: 2011-07-31
Published in Proc. biol. Soc. Washington, in 1907, in volume 20, pages 65
Created: 2011-07-22, modified: 2013-04-14
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 67-69
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 71-74
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 75-79
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 81-84
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 85-86
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 87-88
Created: 2011-07-31, modified: 2011-07-31
Published in Proc. Biol. Soc. Washington, in 1907, in volume 20, pages 89-119
Created: 2009-12-26, modified: 2011-06-21