Mollienisia sphenops petersi nov. subsp. eine neue Poeciliiden-Unterart aus Nordwest-HondurasPublished in Opuscula Zoologica, in 1959, in volume 31, pages 1-6Was ist Dyscia (Scodiona) emucidaria Hübner 425 nee DupondielPublished in Opuscula zoologica, in 1959, in volume 34, pages 3-5Die geographische Variabilitat von Melocichla mentalis (Fraser)Published in Opuscula Zoologica, in 1959, in volume 36, pages 1-12
Was ist Dyscia (Scodiona) emucidaria Hübner 425 nee DupondielPublished in Opuscula zoologica, in 1959, in volume 34, pages 3-5Die geographische Variabilitat von Melocichla mentalis (Fraser)Published in Opuscula Zoologica, in 1959, in volume 36, pages 1-12
Die geographische Variabilitat von Melocichla mentalis (Fraser)Published in Opuscula Zoologica, in 1959, in volume 36, pages 1-12