A mob of 500 studente gathered at the campus last night to indulge in the animal Hallowe'en celebration. Howling and giving the U. of M. yell became monotonous, so tlie gang ventured outside and made a raid on the walks and fences in front of the Cousins & Hall and Condón properties on S. Uuiversity ave. The special pólice gathered in the ringleader, a young man from Flint, IMicli. He was started for the jai], The mob of 400 students followed and the pólice were the objects of a rapid fire of mud balls for the three-quarters of a mile distance to the bastile. The student was fmally landed in jail, notwithstanding the cries 'Abas lo pólice," "Mob 'em, " "Bescne Mm," ' ' Oonsquez cops, ' ' etc. Sheriff Gillen (oíd the mob that he would release the prisoner as soon as the crowd dispersed on condition that he would appear tomorrow at the pólice court,and the mob adjoiirned iu a body to some other part of the city. Marshal Gerstner, however, wanted some security for the fellow's appearance, and was walMng hiin around to get it when it was reported that the gang of students were committing more depredatious. Tlie Plint stndent was hustled back to jaü. The students, on their way back to the campus, captured a piano box in front of the Ann Arbor Music Co. 's .store. When they reached Thayer st a raid was made on some lumber on the property belongiiig to Aid. Hamilton. Then things took a more serions turn. Four students were arrested and were headed for the j'ail. Somebody hit Patrolman Isbell over the head with a picket, cutting au ugly gash in "his scalp. He dropped and Jiis prisoner escapert. "Mob 'em!" yelled the students. A stone strnck Deputy Fred Gillen on the hoad. The officers drew revolvers to keep the lawless crowd back, and they threatened to use them. The four men were placed in the jail, but still the students kept yelling on Main st. Thereupon the officers commenced to fill up the vacant cells. . A student would be grabbod and taken into the bastile. One fellow resisted andjerking away, started to run. He stumbled and feil heavily on tlie flag walk on Main st. He was picked up insensible and taken to the hospital. Early this morning he left there and the authorities deny that they know who he is or where he came from. Altogether eight students spent the night in jail. The officers split up the bunch, taking four of the students to Jxistioe Doty and four to Justice D'uffy. They gave their names as Frank Thomas, George Jackson, Frank Whitlark, Charles E. Miller, Charles Anderson, Bert J. Thompson, I. K. Bod and Frank Brooks. All the names were assuméd ones, as it meant expulsión to them if their identity became knmvn to the professors. They all pleaded guilty, and the justices fined them eaoh $10 and $4.0:5 cents costs, making a total of 117.04 that the Students had to pay for their "fun" of last evening. Some of them did not have the ready coin, but they fonnd willing friénds to dig it up for them. In the ase of "I. K. Bod," who was a poor high school student and who seemingly liad no friends in the court room, a 1900 lit stepped up and handed him the required amount. "I. K. Bod" did not know the man who befriended him, but took bis address and promised to pay him back. "That's all right, " said the other, "I didn't want yóvi to go to jail."