CAVALCADE OF AVIATION. Universal Pictures Co., Inc., c1941. 2 reels, sd. Credits: Producers, Joseph O'Brien, Thomas Mead; narrator, Graham McNamee. © Universal Pictures Co., Inc.; 24Dec41; LP10927. CAVALCADE OF DANCE. Warner Bros. Pictures, Inc., c1944. 10 min., sd. (Melody Masters) Credits: Director, Jean Negulesco; narrator, Art Gilmore. © Warner Bros. Pictures, Inc.; 29May44; MP14889. CAVALCADE OF MOVIES. Sherwood Pictures, c1946. 1 reel, si., 16mm. Appl. author: Renee Sherwood. © Sherwood Pictures; 4Mar46; MP326. CAVALCADE OF SAN FRANCISCO, c1940. Presented by Metro-Goldwyn-Mayer. 814 ft., sd., color. (James A. FitzPatrick's Traveltalk) Credits: Producer and narrator, James A. FitzPatrick; music score, Nat Finston, C. Bakaleinikoff; photographer, Bob Carney. Technicolor. © Loew's Inc.; 20Sep40; MP10509. O CAVALO. Encyclopaedia Britannica Films, Inc., in collaboration with Ernest Horn, Arthur I. Gates and Celeste C. Pearson, c1947. 1 reel, sd., b&w, 16mm. Portuguese version of "The Horse." © Encyclopaedia Britannica Films, Inc.; 24Jan47; MP1622. CAVE MAN. Soundies Distributing Corp. of America, Inc., c1941. 1 reel, sd. © Soundies Distributing Corp. of America, Inc.; 8Dec41; MP11909. CEILING HERO. The Vitaphone Corp., c1940. 1 reel, sd., color. (Merrie Melodies) Credits: Producer, Leon Schlesinger; story, Dave Monahan; animation, Rod Scribner; music director, Carl W. Stalling. Technicolor. © The Vitaphone Corp.; 24Aug40; MP10426. THE CELEBRATED JUMPING FROG OF CALAVERAS COUNTY. Marshall Grant-Realm Television Productions, c1949. 2 reels, sd., b&w, 16mm. Based on the story by Mark Twain [pseud. of Samuel Langhorne Clemens]. Summary: A gambler's pet jumping frog is defeated in a contest when a sly stranger fills its gullet with quail shot. Credits: Producer, Elihu Winer; director, Sobey Martin; screenplay, Elihu Winer, Paul Trivers; editor, Daniel Cahn. © Realm Television Productions, Inc.; 27Jun49; LP2430. CELEBRATION DAYS. Vitaphone Corp., c1947. 20 min., sd., color, 35mm. Warner Bros. Summary: Scenes photographed during the Minneapolis Aquatennial, a summer festival, show an aquatic steeplechase, water ski jumps, outboard motor races, and the Aqua Follies. Credits: Directed and written by Saul Elkins; narrator, Art Gilmore. © Vitaphone Corp.; 29Dec47; MP2704. THE CELL: STRUCTURAL UNIT OF LIFE. Coronet, c1949. 11 min., sd., b&w, 16mm. Summary: Presents through the lens of the microscope the living, simple cell. Credits: Educational collaborators, Walter A. Thurber, William B. Clemens. © David A. Smart; 15Feb49; MP4274. CENTENNIAL SUMMER. Twentieth Century-Fox Film Corp., c1946. 9,263 ft., sd., 35mm. Based on the novel by Albert E. Idell.