Published in Bulletin of The Museum of Comparative Zoology, in 1951, in volume 105, pages 295-371
Published in Bulletin of the Museum of Comparative Zoology, in 1951, in volume 106, pages 1-67
Published in Bulletin of The Museum of Comparative Zoology, in 1951, in volume 106, pages 207-245
Published in Bulletin of The Museum of Comparative Zoology, in 1951, in volume 106, issue 4, pages 175-204