Published in Revue Zoologique Africaine, in 1922, in volume 10, pages 46-50

Published in Revue Zoologique Africaine, in 1922, in volume 10, pages 62-65

Published in Rev. Zool. Africaine, in 1922, in volume 10, pages 66-71

Published in Revue Zoologique Africaine, in 1922, in volume 10, pages 77-87

Published in Revue Zoologique Africaine, in 1922, in volume 10, pages 212-215

Published in Revue de Zoologie Africaine, in 1922, in volume 10, pages 272-280

Published in Revue Zoologique Africaine, in 1922, in volume 10, pages 301-308

Published in Revue Zoologique Africaine. Bruxelles, in 1922, in volume 10, pages 320-322