(klep-to-ma'-ne-ah). See Klep- tomania. * Clergyman's Sore Throat. A chronic hy- pertrophic form of pharyngitis, with more or less enlargement of the tonsils and lymph- follicles of the posterior wall, due to exces- sive or improper use of the voice. * Clerk-Maxwell's Experiment. On looking through a chrome-alum solution an oval pur- plish spot, due to the pigment of the macula lutea, is seen.