Published in Proc. Biol. Soc. Washington, in 1913, in volume 26, pages 145-150

Published in Proc. Biol. Soc. Washington, in 1913, in volume 26, pages 69-71

Published in Proc. Biol. Soc. Washington, in 1913, in volume 26, pages 27-29

Published in Proceedings of the Biological Society of Washington, in 1913, in volume 26, pages 53-55

Published in Proceedings of the Biological Society of Washington, in 1913, in volume 26, pages 15-20

Published in Proc. Biol. Soc. Washington, in 1913, in volume 26, pages 87-88

Published in Proceedings of the Biological Society of Washington, in 1913, in volume 26, pages 141-144

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 213-214

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 129-134

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 191-193

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 93-94

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 185-190

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 177-182

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 75-77

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 89-91

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 203-204

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 205-207

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 21-25

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 65-66

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 97-109

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 125-128

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 1-3

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 111-112

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 157-158

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 215-216

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 161-166

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 209-211

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 139-140

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 199-202

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 123-124

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 155-156

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 39-51

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 135-138

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 31-33

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 73-74

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 80-81

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 113-114

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 197-198

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 67-68

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 183-184

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 151-152

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 57-61

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 175-176

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 167-168

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 115-119

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 195-196

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 121-122

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 169-174

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 35-37

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 83-85

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 153-154

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 63

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 79

Published in Proceedings of the Biological Society of Washington, in 1913, in volume 26, pages 19