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