Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 1-24

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 25-28

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 29-43

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 45-52

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 53-54

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 55-64

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 65-83

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 85-92

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 93-101

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 103-107

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 109-112

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 113-114

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 115-118

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 119-125

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 127-130

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 131-132

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 133-134

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 135-138

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 139-144

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 145-167

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 169-174