| pigmentary system of the adult alpine salamander salamandra atra atra (laur., 1768). | the pigmentary system of the skin from adult specimens of the black alpine salamander salamandra atra atra was investigated by light microscope, electron microscope, and biochemical studies. results were compared with those obtained in previous study of the subspecies salamandra atra aurorae. unlike salamandra atra aurorae, which presents epidermal xanthophores and iridophores, salamandra atra atra is completely melanized, presenting only epidermal and dermal melanophores. the melanosomes in bot ... | 1991 | 1816547 |