Published in Zoologica, in 1932, in volume 9, issue 15, pages 551-563

Published in Zoologica, in 1932, in volume 11, issue 7, pages 77-87

Published in Zoologica New York, in 1932, in volume 13, pages 109-120

Published in Zoologica, in 1932, in volume 13, issue 3, pages 37-45

Published in Zoologica, in 1932, in volume 13, issue 4, pages 47-107

Published in Zoologica, in 1932, in volume 13, issue 6, pages 121-132

Published in Zoologica, in 1932, in volume 15, issue 1, pages 1-28