Published in Proc. Biol. Soc. Wash., in 1922, in volume 35, pages 229-230

Published in Proc. Biol. Soc. Wash., in 1922, in volume 35, pages 219-220

Published in Proc. biol. Soc. Wash., in 1922, in volume 35, pages 129-132

Published in Proc. biol. Soc. Wash., in 1922, in volume 35, pages 145-172

Published in Proceedings of the Biological Society of Washington, in 1922, in volume 35, pages 221-222

Published in Proceedings of the Biological Society of Washington, in 1922, in volume 35, pages 107-110

Published in Proceedings of the Biological Society of Washington, in 1922, in volume 35, pages 5-6

Published in Proceedings of the Biological Society of Washington, in 1922, in volume 35, pages 111-114

Published in Proceedings of the Biological Society of Washington, in 1922, in volume 35, pages 7-10

Published in Proceedings of the Biological Society of Washington, in 1922, in volume 35, pages 95-96

Published in Proc. Biol. Soc. Washington, in 1922, in volume 35, pages 141-144

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 135-136

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 81-87

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 223-224

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 117-123

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 173-177

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 179-180

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 137-140

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 11-12

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 55-58

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 133-134

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 105-106

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 53-54

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 97-101

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 47-51

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 63-71

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 115-116

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 13-15

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 73-75

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 79-80

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 1-3

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 103-104

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 17-38

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 89-93

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 181-217

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 125-128

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 39-40

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 41-46

Published in Proceedings of the Biological Society of Washington, in 1922, in volume 35, pages 225-226

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 226

Published in Proceedings of The Biological Society of Washington, in 1922, in volume 35, pages 78

Published in Proceedings of the Biological Society of Washington, in 1922, in volume 35, pages 61