Published in Arkiv för zoologi, in 1911, in volume 7, issue 8, pages 1-8

Published in Arkiv för zoologi, in 1911, in volume 7, issue 16, pages 1-60

Published in Arkiv för zoologi, in 1911, in volume 7, issue 17, pages 1-6

Published in Arkiv för zoologi, in 1911, in volume 7, issue 19, pages 1-42