ROUNDING UP MANY PALS OF PUBLIC ENEMYMay Involve As Many As 25 Associates Of No*torious BanditHIDING IN NESHOBAWife Is Among Several Charged As Dangerous CharactersMERIDIAN, Miss., Feb. 23.—ffl— The bullet-riddled body o! Charles Irving Chapman, 44, labelled public enemy No. 1, lay in the morgue here today, victim of an F. B. I. ambush near Philadelphia last night, while officers carried out a widespread roundup of his alleged associates in his Neshoba county stronghold, which local police said might reach 25 persons.