In cases of rheumatism of right arm, wrist and ankle, occurring before or after severe cases of urticaria, or alternating with urticaria, but never both together, we find this concomitance sufficient to call attention to Urtica wrens. SUPERIOR EXTREMITIES .— (Urtica urens) Continuous pains in right deltoid. Rheumatic pains in right arm, < when lying on it. Muscles of right arm sore as if bruised. Rheumatic pains in right wrist. INFERIOR EXTREMITIES .— (Urtica urens) Rheumatic pains in right ankle. AGGRAVATIONS .— (Urtica urens) Evening. When lying upon it. CONCOMITANTS .— (Urtica urens) VIOLENT URTICARIA. NETTLE-RASH. PRURITIS VULVAE WITH STINGING AND SWELLING.