Arteries of the brain and spinal cord, anomalies of arteries of the brain, shown in situ and in isolation, in 8 numbered illustrations. 1 illustration of spine and spinal cord shown with heart, aorta, intercostal and spinal arteries, carotid and vertebral arteries, and intact head. Lateral view. 1 illustration of brain and spinal cord shown with spinal arteries and circle of Willis. Spinal nerves and cranial nerves also shown, antero-inferior view. 5 illustrations of anomalous carotid arteries and circle of Willis, shown in isolation. 1 illustration of vertebrae divided in coronal section to show arteries within the spinal canal, anterior view.