Discontinuance notice for following announcements: 373, Staff nurse, head nurse, psychiatric head nurse; 393, Nurse anesthetist; 420B, Staff nurse, head nurse (for Panama Canal Zone); 29B, Nursing consultant in maternal and child health; 92B, Public health nurse; 4-32-4 (53), Professional nurses (GS-11 only); B-30-2 (56), Professional nurses (GS-5 to 9).