Published in Zoologica, in 1933, in volume 9, issue 16, pages 565-572

Published in Zoologica, in 1933, in volume 11, issue 8, pages 89-132

Published in Zoologica New York, in 1933, in volume 13, pages 159-167

Published in Zoologica New York, in 1933, in volume 13, issue 7, pages 133-158

Published in Zoologica, in 1933, in volume 15, issue 2, pages 29-47

Published in Zoologica, in 1933, in volume 16, issue 1, pages 5-11

Published in Zoologica, in 1933, in volume 16, issue 2, pages 15-93

Published in Zoologica, in 1933, in volume 16, issue 3, pages 97-147