An interesting and important chapter in the symptomatology of migraine is that concerned with the paralytic complications which may occur in this disease. I do not refer to those transient and evanescent symptoms which are so common, but to the more serious and permanent sequelae. These may be divided into two groups: (a) those of cerebral origin, namely, hemiplegia, hemianopsia and aphasia following organic vascular lesions during the migraine seizure, and (b) those affecting the cranial nerves, for example, the optic nerve and retina, and more especially the ophthalmoplegias. The latter complication is by far the most important by reason of its frequency, and at the present time constitutes a well established clinical group, the ophthalmoplegic migraine, of which about 100 cases have been reported in the literature. Of these the oculomotor nerve is most frequently affected, rarely the abducens and very rarely the trochlearis. Various combinations of these ocular