Published in Arkiv For Zoologi, in 1904, in volume 1, pages 313-328

Created: 2011-12-06, modified: 2011-12-06

Published in Arkiv For Zoologi, in 1904, in volume 1, pages 411-423

Created: 2011-12-06, modified: 2011-12-06

Published in Arkiv för zoologi, in 1904, in volume 2, issue 4, pages 1-68

Created: 2015-09-18, modified: 2015-09-18