Those great-bellied vessels, for example, with the short necks, which he had noticed the first evening standing in the corridors before certain doors. They contained oxygen; he had asked, and Joachim informed him. That was pure oxygen, six francs the container. The reviving gas was given the dying in a last effort to kindle or reinforce their strength. They drew it up through a tube. For behind those doors where such vessels were placed lay the dying⁠—the “ moribundi ,” as Herr Hofrat Behrens called them when Hans Castorp met him one day in the first storey. Purple of cheek, in his white smock-frock, he rowed along the corridor, and they went down the steps together.