Published in Proceedings of the United States National Museum, in 1931, in volume 77, issue 2840, pages 1-45

Published in Proceedings of the United States National Museum, in 1931, in volume 78, issue 2866, pages 1-9

Published in Proceedings of the United States National Museum, in 1931, in volume 79, pages 1-6

Published in Proceedings of the United States National Museum, in 1931, in volume 79, issue 2873, pages 2-49

Published in Proceedings of the United States National Museum, in 1931, in volume 79, issue 2875, pages 1-6

Published in Proceedings of the United States National Museum, in 1931, in volume 79, issue 2877, pages 1-11

Published in Proceedings of the United States National Museum, in 1931, in volume 79, issue 2884, pages 2-5

Published in Proceedings of the United States National Museum, in 1931, in volume 79, issue 2885, pages 1-8

Published in Proceedings of the United States National Museum, in 1931, in volume 79, issue 2886, pages 1-54

Published in Proceedings of the United States National Museum, in 1931, in volume 79, issue 2890, pages 1-9

Published in Proceedings of the United States National Museum, in 1931, in volume 79, issue 2891, pages 1-20

Published in Proceedings of The United States National Museum, in 1931, in volume 80, pages 1-31

Published in Proceedings of the United States National Museum, in 1931, in volume 80, issue 2908, pages 1-19

Published in Proceedings of the United States National Museum, in 1931, in volume 80, issue 2917, pages 1-2