Published in Bulletin of the Museum of Comparative Zoology (Harvard University), in 1931, in volume 55, pages 165-213
Published in Bulletin of The Museum of Comparative Zoology, in 1931, in volume 71, pages 293-345
Published in Bulletin of The Museum of Comparative Zoology, in 1931, in volume 71, pages 349-421
Published in Bulletin of the Museum of Comparative Zoology at Harvard College, in 1931, in volume 71, issue 4, pages 229-289
Published in Bulletin of the Museum of Comparative Zoology, in 1931, in volume 72, pages 37-52
Published in Bulletin of the Museum of Comparative Zoology, in 1931, in volume 72, pages 55-89
Published in Bulletin of The Museum of Comparative Zoology, in 1931, in volume 72, pages 195-202