The acrid resinous exudation of a plant native to Morocco. Was strongly recommended by Mesue in diseases of the joints, and for noises in the ears. Clinical Authorities. — Headache, Berridge, Kaue's Eec, 1875, p. 208- Cataract, Bojanus, Allen & Norton, Ophtli. Therap. ; Crumbling of teeth, Hartmann, Eiick. Kl. Erf., vol. 1, p. 461 ; Toothache, Eiickert, Gutraann, Kl. Erf., vol. 1, p. 461 ; Epidemic influenza. Wells, Raue's Eec, 1873, p. 106; Cough, Chapman, B. J. H., vol. 8, p. 34 ; Spasmodic cough, Chapman, B. J. H., vol. 8, p. 34 ; Coccygeal affec- tion with diarrhoea, W. P. Wesselhceft, MSS. ; Erysipelas, (2 cases) Eaue, Eaue's Eec, 1870, p. 135. ^ Mind. Earnest, quiet, reflective mood ; seeks quiet, though with inclination to work. Anxious, apprehensive, solicitous mood. Temporary attacks of craziness, insists upon saying his prayers at the tail of his horse ; knows his freaks and wants to be by himself and in silence. Imagines he sees the same man walking after him that he sees walking before him. ^ Sensorium. Vertigo when standing or walking in open air. ^ Inner Head. Dull, stupefying, pressive pain in forehead. Sticking headache, especially in forehead. Tensive pressure in head, especially in forehead and cer- vical muscles. Screwed-in sensation in whole of brain and in zygomata, with toothache. Headache as though head would be pressed asunder. ■ Bruised pain in head, especially in occiput and forehead, < in morning, > by cold applications. Sensation of soreness, as if beateii, in back part of head; < in morning; when lying; from heat; sitting; in rest ; > by motion and cooling head. ^ Outer Head, l Erysipelas of head and face, with digging, boring, and gnawing pains, followed, when ameliorated, by creeping and itching of parts ; considerable swelling of affected parts, with small vesicles discharging a yel- lowish fluid. ■ Erysipelatous inflammation efface and external head. * Sight and Eyes, Everything appears larger than it really EUPHORBIUM. 246 is ; even in walking he raises his legs more than is neces- sary, because he imagines he has to step over elevations. Diplopia ; seeing a person walk before him he imagines he sees the same man walking after him. I Lens milk white; cannot see to go alone, though sees better on a dark day. ^Cataract. I Biting and smarting of eyes, with lachrymation. Inflammation of eyes, with itching of eyelids and canthi, which are excoriated. Feeling of great dryness in eyes with profuse discharge. Purulent discharge from eyes. ■ Chronic ophthalmia ; lids pain and itch severely, are wet and agglutinated. Pale-red inflammation of eyelids ; with nightly secretion of matter which agglutinates them. Swelling of lids, with tearing above eyebrows, on opening