Calcarea fluor. is marked by piercing, darting, grinding pains in the joints ; this is associated with bony deposits in the articulations and on the bones. There is crepitation of the joints from lack of synovial fluid. In its aggravations it resembles Rhus tox., but the marked tendency to bony deposits marks a striking difference. Calc. fluor. follows well after Bryonia, Calc. carb., Ferrum phos., Rhus tox. and Silica. NECK AND BACK . — (Calcarea fluorica) Tired aching in small of back as after a long ride ; can sit in no position to get relief. In afternoon much dull aching and tired feeling in lower back, with restlessness. LUMBAGO AFTER STRAINS, PAINS < WHILE AT REST, > AFTER MOVING A LITTLE AND FROM WARMTH. SUPERIOR EXTREMITIES . — (Calcarea fluorica) OSSEOUS NODES ON SPINE OF SCAPULAE. SWELLING OF ELBOW JOINT WITH CREPITATION FROM WANT OF SYNOVIAL FLUID. CREPITATION IN JOINT OF FIRST PHALANX OF LEFT THUMB. EXOSTOSES ON FINGERS. INFERIOR EXTREMITIES .— (Calcarea fluorica) A ROUGH HARD BONY SWELLING COVERING WHOLE WIDTH OF SHIN BONE SEVERAL INCHES LONG. PATELLA SURROUNDED BY SUPERNUMERARY BONES, IRREGULAR IN SHAPE AND SIZE FROM MILLET SEEDS TO MARBLES ; ALSO ON TENDONS UNDER THE KNEE AND IN TARSAL AND CARPAL ARTICULATIONS. EXTREMITIES IN GENERAL . — (Calcarea fluorica) PIERCING, DARTING, GRINDING PAINS IN ALL THE JOINTS. CRAMPS IN MUSCLES OF LEGS. INDURATED ENLARGEMENTS IN FASCIA AND CAPSULAR LIGAMENTS OF JOINTS. NODES AND HARD BONE SWELLINGS. IN TARSAL AND CARPAL ARTICULATIONS OSSEOUS GROWTHS. CREPITATION OF JOINTS. CONCOMITANTS . — (Calcarea fluorica) COPIOUS, OFFENSIVE, THICK, GREENISH-YELLOW NASAL CATARRH. TEETH DEFICIENT IN ENAMEL. BLEEDING HEMORRHOIDS. INDURATION OF GLANDS WITH STONY HARDNESS. FEVER WITH THIRST ; DRY BROWN TONGUE ; RESTLESS. AGGRAVATIONS . — (Calcarea fluorica) COLD DAMP WEATHER. ON FIRST BEGINNING TO MOVE. AMELIORATIONS . — (Calcarea fluorica) WARMTH. Hot fomentation. BY RUBBING AFFECTED PART. ON CONTINUED MOTION.