Published in Revue Suisse De Zoologie, in 1926, in volume 33, pages 1-211

Published in Revue Suisse De Zoologie, in 1926, in volume 33, pages 213-248

Published in Revue Suisse De Zoologie, in 1926, in volume 33, pages 251-289

Published in Revue Suisse De Zoologie, in 1926, in volume 33, pages 335-357

Published in Revue Suisse De Zoologie, in 1926, in volume 33, pages 427-430

Published in Revue Suisse De Zoologie, in 1926, in volume 33, pages 431-558

Published in Revue Suisse De Zoologie, in 1926, in volume 33, pages 561-584