Published in Zoologica, in 1967, in volume 51, issue 11, pages 107-135
Published in Zoologica, in 1967, in volume 51, issue 12, pages 137-141
Published in Zoologica, in 1967, in volume 52, issue 1, pages 1-14
Published in Zoologica, in 1967, in volume 52, issue 2, pages 15-20
Published in Zoologica, in 1967, in volume 52, issue 3, pages 21-24
Published in Zoologica, in 1967, in volume 52, issue 4, pages 25-40
Published in Zoologica, in 1967, in volume 52, issue 5, pages 41-47
Published in Zoologica, in 1967, in volume 52, issue 6, pages 49-76