`` but it is none of them ; it is iskierka , '' he said , disgruntledly , when she had come close enough he could see the thin cloud of steam trailing her ; she was flying a little sluggishly and tired , and she thumped down upon the dragondeck in much disarray : she did not have even her full harness on , and none of her crew , only granby latched on to her neck-strap .