Published in Revue Suisse De Zoologie, in 1932, in volume 39, pages 59-194

Published in Revue Suisse De Zoologie, in 1932, in volume 39, pages 531-768

Published in Revue Suisse de Zoologie, in 1932, in volume 39, issue 14, pages 325-371

Published in Revue Suisse de Zoologie, in 1932, in volume 39, issue 15, pages 375-396

Published in Revue Suisse de Zoologie, in 1932, in volume 39, issue 17, pages 411-529