Published in Revue Suisse De Zoologie, in 1901, in volume 9, pages 1-41

Published in Revue Suisse De Zoologie, in 1901, in volume 9, pages 43-130

Published in Revue Suisse De Zoologie, in 1901, in volume 9, pages 131-136

Published in Revue Suisse de Zoologie, in 1901, in volume 9, pages 137-188

Published in Revue Suisse de Zoologie, in 1901, in volume 9, pages 189-223

Published in Revue Suisse De Zoologie, in 1901, in volume 9, pages 225-241

Published in Revue Suisse de Zoologie, in 1901, in volume 9, pages 243-278

Published in Revue Suisse De Zoologie, in 1901, in volume 9, pages 307-313

Published in Revue Suisse De Zoologie, in 1901, in volume 9, pages 315-323

Published in Revue Suisse de Zoologie, in 1901, in volume 9, pages 325-353