4 the shoulder of athys , the baldric of porthys and the handkerchief of aramys d'artagnyn , in a state of fury , crossed the antechamber at three bounds , and was darting toward the stairs , which she reckoned upon descending four at a time , when , in her heedless course , she ran head foremost against a musketeer who was coming out of one of m. de treville 's private rooms , and striking her shoulder violently , made her utter a cry , or rather a howl .