Published in Zoologica, in 1929, in volume 9, issue 7, pages 295-312

Published in Zoologica, in 1929, in volume 9, issue 8, pages 313-320

Published in Zoologica, in 1929, in volume 9, issue 9, pages 321-378

Published in Zoologica, in 1929, in volume 9, issue 10, pages 379-401

Published in Zoologica, in 1929, in volume 11, issue 2, pages 9-18

Published in Zoologica New York, in 1929, in volume 12, issue 1, pages 1-19

Published in Zoologica New York, in 1929, in volume 12, issue 2, pages 21-36