Published in Revue Suisse de Zoologie, in 1893, in volume 1, pages 187-229

Published in Revue Suisse De Zoologie, in 1893, in volume 1, pages 289-318

Published in Rev. suisse zool., in 1893, in volume 1, pages 319-328

Published in Revue Suisse De Zoologie, in 1893, in volume 1, pages 329-357

Published in Revue Suisse De Zoologie, in 1893, in volume 1, pages 427-461

Published in Revue Suisse De Zoologie, in 1893, in volume 1, pages 463-500

Published in Revue Suisse De Zoologie, in 1893, in volume 1, issue 1, pages 1-64

Published in Revue Suisse De Zoologie, in 1893, in volume 1, issue 1, pages 65-111

Published in Revue Suisse De Zoologie, in 1893, in volume 1, issue 1, pages 113-185