BRIGADIER-GENERAL HENRY WHITING, of the Quartermaster's Department, died at St Louis, Mo., on the 16th of September. He arrived at St Louis, as we learn from the _Republican_ of the 17th, on Sunday, the 14th, from a tour of official duty in Texas, being in his usual health. On Tuesday afternoon, while in his room at the Planter's House, he was, without any premonition whatever, stricken dead instantaneously. The cause of his death, in all probability, was an affection of the heart. His remains were taken to Jefferson Barracks on the 17th, for interment. Gen. Whiting, who was among the oldest officers of the army, was a native of Lancaster, in Massachusetts, a son of Gen. John Whiting, also a native of that place. He was not only an accomplished officer in the department in which he has spent a large portion of his life, but he made extensive scientific and literary attainments, and was a gentleman of great private worth. In hours stolen from official duties, he was for many years a large contributor to the literature of the country. His articles which from time to time appeared in the _North-American Review_, were of an eminently practical and useful character, and highly creditable to his scholarship and sound judgment. The biographical sketch of the late President Taylor, in a recent number, confined chiefly to his military life, and embracing a graphic description of the extraordinary successes in Mexico, was from Gen. Whiting's pen. He published a few years ago an important collection of the _General Orders of Washington_. He was deserving of praise also as a poet and as a dramatic author. * * * * *