Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 1-6

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 35-44

Published in Proceedings of the Biological Society of Washington, in 1923, in volume 36, pages 45-47

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 49-50

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 51-54

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 55-57

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 59-62

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 63-64

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 65-69

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 71-73

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 75-77

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 83-84

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 85-89

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 91-92

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 93-94

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 95-101

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 103-138

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 139-141

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 143-145

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 147-156

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 157-158

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 161-163

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 165-167

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 169-177

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 179-180

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 181-184

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 185-188

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 189-190

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 191-192

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 193-194

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 195-198

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 199

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 200

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 201-202