He accordingly commenced the study of metallurgy at Marburg; he also began to write poetry, imitating German authors, among whom he is said to have especially admired Gunther.
Siegfried is then persuaded to transform himself by his magic Tarnhelm into the likeness of his host, Gutrune's brother Gunther, in order to bring Briinnhilde (whose name is now quite new to him) from her fire-encircled rock, so that Gunther may have her for his bride and Siegfried may wed Gutrune.
This is achieved; and Briinnhilde's horror and bewilderment at meeting Siegfried again as a stranger in his own shape creates a situation which Siegfried cannot understand, and which Hagen pretends to construe as damning evidence that Siegfried has betrayed Gunther's honour as well as Briinnhilde's.
Hagen, Gunther and Briinnhilde therefore agree that Siegfried must die.
Gray; but Dumeril and Bibron in their great work,' and Dr Gunther in his Catalogue, in substance, adopted Brongniart's arrangement, the Batrachia being simply one of the four orders of the class Reptilia.