MRS. DR. MARY WALKER.

While we were in camp at Lee and Gordon's mills, our camp was surprised one day by the appearance of a person, whom, if dress was to be the index of the sex, it would have been hard to determine whether, whoever it might be, was male or female. But it proved to be the notorious Mrs. Dr. Mary Walker. She had appeared at Gen. Thomas' headquarters, at Chattanooga, desiring to be placed on duty in the front, as surgeon or assistant surgeon. She had come from the hospitals at Washington, where she had done good service, and where her services were acceptable. But the doctor was ambitious; she had more of Mars than Venus in her composition, and desired a commission with the rank of surgeon, and duty in the field. She had been sent by General Thomas to report to Col. Dan. McCook, our brigade commander, for duty, and here she was. Her appearance was indeed curious, and excited not only the surprise, but the the merriment of our boys, who, although they had seen many curious things in their army life, had never seen the like of this before. Her dress consisted of a low crowned fur hat, with a garment something similar to a cloak, bound with a girdle at the waist, and reaching down a little below the knees, from beneath which a pair of black cloth pantaloons appeared; a small foot, covered with a neatly fitting boot, finished up the picture. When on horseback she bestrode the animal like a man, and unless a person knew who she was would have readily passed for one. Her face was boyish, and so far as our judgement went, was neither good looking or very bad. She was a lady in her deportment, but how it ever happened that a woman should desire to occupy the position she craved, was beyond our comprehension. To be in the midst of such scenes as were transpiring daily, camp life, camp customs, and camp conversation, would, we should think, have been quite contrary to the female longings. She was very punctilious in regard to military etiquette, however, and carried it so far that the boys got disgusted with her. She would demand from a guard the same military treatment as if she had been a general officer. This the boys most generally accorded to her, more out of a spirit of politeness, than anything else. But one day she ran across a fellow who had no polite notions in his head about such matters, who believed only in saluting those to whom he was compelled, by military law, to yield such homage. She had gone out to the picket line, and had started around it, perhaps on a tour of inspection, or, perhaps, merely for a ride. Going along the line, she came to a man on post, who, to all indications, neither saw or heard her, but kept on diligently walking his beat. The doctor came up and rode by. Stopping her horse after she had passed, and riding back to the guard, she said: "Soldier, why don't you salute me?" The guard, looking at the doctor from head to foot, replied: "Who in h—ll are you?" and immediately resumed his walk. The doctor was beaten, and so badly beaten, both by astonishment, and, perhaps, rage, that she rode back hastily to headquarters, as mad as a woman can ever get, to report to Col. Dan, what she considered an outrageous insult. But Col. McCook upheld the soldier in his military behavior, as the doctor amounted to nothing more, in a military point of view, than any other citizen, although deprecating his action as ungentlemanly. If there was any balm in this for her wounded feelings, she was welcome to it; at any rate, it was all she got. Not long after this the doctor went outside of our lines to visit a sick woman, and while there she was captured by the rebels. We never saw her more, and were glad to get rid of her.