Published in Proc. Biol. Soc. Wash., in 1912, in volume 25, pages 111-113

Published in Proc. Biol. Soc. Wash., in 1912, in volume 25, pages 191-192

Published in Proc. Biol. Soc. Wash., in 1912, in volume 25, pages 163-164

Published in Proceedings of the Biological Society of Washington, in 1912, in volume 25, pages 135-140

Published in Proceedings of the Biological Society of Washington, in 1912, in volume 25, pages 188

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 17-28

Published in Proceedings of the Biological Society of Washington, in 1912, in volume 25, pages 121-126

Published in Proceedings of the Biological Society of Washington, in 1912, in volume 25, pages 77-84

Published in Proceedings of the Biological Society of Washington, in 1912, in volume 25, pages 61-76

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 177-179

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 109-110

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 29-37

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 157-162

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 9-10

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 189-190

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 127-128

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 129-130

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 141-155

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 165-175

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 1-2

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 57-58

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 181-184

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 185-186

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 11-15

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 51-52

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 59-60

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 131-133

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 107-108

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 53-56

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 85-86

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 103-105

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 39-50

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 119-120

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 115-116

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 3-7

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 87-92

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 97-101

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 187

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 96

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 94

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 186

Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 93

Published in Proc. biol. Soc. Washington, in 1912, in volume 25, pages 117

Published in Proceedings of the Biological Society of Washington, in 1912, in volume 25, pages 116