New York, Jan. 12. - Eight thousand persons were present Monday night at the opening in Madison Square garden of the National Military carnival in aid of the fund to.endow the National guard rooms in Hahnemann hospital. Many militiamcn and regular army men were present, including General Ruger and Governor Black's staff. The regular army drills aroused more interest than the athletic sports. A company from the Thirteenth infantry, U. S. A., and the regular band entered the ring at doublé quick. After a gymnastic drill, the company in four files gave an exhibition of wall scaling and as a climax, forced a human pyramid and climbed a thirty-flve foot wall, built from the floor to the balcony. When the infantry retired Captain ' Dodd came galloping in at the head of i "troop F," Third United States cavalry, famous the country over. The riders i sat almost motionless in the saddles and guided their horses through all sorts of intricate and difficult motions during a half hour's musical ride. This was followed by trick riding.