Aero for Citizen Sailors: Aviator Glenn Martin gives naval militia $7,500 air craft, Los Angeles, Cal. Elephants Go Shopping: Huge beasts take baby on trip down Fifth Avenue, New York City. Singers Study in Open Air: Future opera stars exercise on Mme. Novello Davies’ house-top to develop voices, New York City. Subtitles: insurance against throat stagnation. Rehearsing an aria of “Madame Butterfly.” Mile-a-Minute Wins Race: 38,000 cheer as autos make thrilling dashes around “freaky” course, San Diego, Cal. Subtitles. The Winner, Bob Burman. Barney Oldfield. Welsh Flag Day: 3,000 women, in national garb, sell flags for benefit of soldiers, London, England. U.S. Repairs War’s Ravages: British officer inspecting artificial limbs for crippled soldiers, Cleveland, Ohio. Four-Legged John L. Sullivan: Largest performing bear in world, star boxer and wrestler, Sapulpa, Okla. Army Chases Villa: Feeding soldiers on 300-mile line without using railroads is big problem. Subtitles: Supply trains rushing back from front for another trip, Columbus, New Mexico. Horses need hay. Twenty-fourth Infantry, biggest regiment in United States, bound for the firing line, “Somewhere in Mexico.” Soldiers march “on their stomachs.” Gasoline aids chase. Carranza reviews Mexico’s future soldiers. Dinosaur Against Preparedness: “He was armored, yet died,” say armament’s foes, of anti-deluvian reptile, New York City. 1916’s Baseball Season Opens: Rival stars of two leagues meet in curtain-raiser, Brooklyn, N.Y. Subtitles: New York “Americans.” Ex-Federal Leaguer Magee. “Home-Run” Baker, back after year’s lay-off. Manager Donovan coaching Gilhooley. The Brooklyn “Nationals.” “They’re off.” A fast double-play. Cartoons by Hy. Mayer.