IMPERFORATE ANUS＆H．H．NIXON，M．A．，M．B．，B．Chir．，F．R．C．S．Paediatric Surgeon，The Hospital for Sick Children，Great Ormond Street，London，and Queen Mary＇s Hospital for Children，Carshalton 1
DISSECTING ANEURYSM OF THE AORTA AND ITS TREATMENT＆A．B．BIRT，F．R．C．S．Consultant Surgeon to the Norfolk and Norwich Hospital，the West Norwich Hospital，and the Jenny Lind Hospital for Children，Norwich 35
THE TREATMENT OF ARTERIAL INJURIES IN CIVILIAN LIFE＆A．B．BIRT，F．R．C．S．Consultant Surgeon to the Norfolk and Norwich Hospital，the West Norwich Hospital，and the Jenny Lind Hospital for Children，Norwich 51
HYDROCEPHALUS OF INFANCY＆G．H．MACNAB，F．R．C．S．Surgeon，Westminster Hospital，London，and The Hospital for Sick Children，Great Ormond Street，London；Honorary Consultant Surgeon，Queen Charlotte＇s Maternity Hospital，London 98
STEREOTACTIC SURGERY＆BRODIE HUGHES，M．B．，B．S．，Ch．M．，F．R．C．S．Professor of Neurosurgery，University of Birmingham；Consultant Neurosurgeon，United Birmingham Hospitals 129
CAROTID-BODY TUMOURS＆G．WESTBURY，M．B．，B．S．，F．R．C．S．，M．R．C．P．Surgeon，Westminster Hospital，London 159
EXPERIMENTAL AND CLINICAL ASPECTS OF NON-SPECIFIC GRANULOMAS OF THE ALIMENTARY TRACT＆G．SLANEY，M．B．，Ch．B．，F．R．C．S．Senior Lecturer in Surgery，Department of Surgery，University of Birmingham；Surgeon，Queen Elizabeth Hospital，Birmingham 186
MALIGNANT CELLS IN THE BLOODSTREAM＆JOHN D．GRIFFITHS，M．S．，F．R．C．S．Senior Registrar，St．Bartholomew＇s Hospital，London 229
PRIMARY HYPERPARATHYROIDISM＆MILO KEYNES，M．D．，M．Chir．，F．R．C．S．Senior Lecturer in Surgery，The London Hospital Medical College 255
THE STORAGE OF TISSUES FOR GRAFTING＆H．H．G．EASTCOTT，M．S．，F．R．C．S．Consultant Surgeon，St．Mary＇s Hospital，London 332
THE STORAGE OF BLOOD＆H．LEHMANN，M．D．，Sc．D．，M．R．C．P．，F．R．I．C．Reader in Chemical Pathology，St．Bartholomew＇s Hospital，London and B．A．L．HURN，M．B．，B．S．Registrar in Pathology，St．Bartholomew＇s Hospital，London 372
THE ARTIFICIAL KIDNEY＆A．R．HARRISON，M．D．，M．R．C．P．Institute of Urology 437
INDEX 507