Behavioral interactions in a herd of Barbary sheep (Ammotragus lervia)

Published in 1949 in Zoologica, volume 34, issue 3, on pages 9-18
Authors: Irwin Katz

Fishes that rank themselves like soldiers on parade

Published in 1949 in Zoologica, volume 34, issue 10, on pages 99-102
Authors: E W Gudger

Notes on seasonal changes in Creatophora cinerea, the wattled starling

Published in 1949 in Zoologica, volume 34, issue 11, on pages 103-106

Migration of Papilionidae at Rancho Grande, North-central Venezuela

Published in 1949 in Zoologica, volume 34, issue 14, on pages 119-126
Authors: William Beebe