China.—liy (he clipper ship Challenge, at San Francisco, -1*1 days from Iloug Kong, we have advices from China to the 1 Jth of May.The U. S. Minister, Gen. Ward, and his Secretary, on their way to the Court of Pekin came passengers by the steamer Gauges to Penang, where he embarked lt;u the ~8lh April, in the U. S. steam frigate Powhatan, under a salute due to his rank. A» 1PM Gen. Waru lauded under ealute from Fort Cornwallis.We hear, saye the Register of Mac 13th that the steamer iicng Kong has been chartered by the American Government for the purpoee of accompanying Gen Ward on his journey to the North. She leaves tor Canton this morning, towing the body of Yeh, for interment in that city. On her return it is reported she will be fitted for sea immediately.We regret to hear that Com. Tattnall is severely indisposed, on board the U. S steam frigate Powhatan. We hear her stay will be short, as Gen Waul is anxious to proceed to Pekin as soon asDosuible.