* * * * * Most night clubs and cocktail bars do not admit or permit unescorted women after 10 P.M. (At this writing the City Council and State Legislature are considering bills to ban unescorted women at bars at any time.) Never talk to strangers in theatres, on subways or in other public places. You may nod to him in a hotel if you both live there and have seen each other before. DO NOT walk in Central Park, or other parks AFTER DARK, even if escorted. * * * * * CONFESSIONS OF A CAUTIOUS CUTIE: Smart Gotham gals don't keep diaries. If what goes into 'em is unimportant, why bother? If it's secret stuff, never put it in writing. Gals who pass out after five (or 55) drinks should wear identification bracelets with name and address--especially when on a first date with a gent who may not know where to deliver the body. In no event should dolls who can't handle their liquor step out with men who can't carry theirs. Who takes whom home? When entering a night club, a smart gal doesn't stop at the bar to greet every drunk, just to show her escort she's a doll-about-town. Do not use cheap perfume when night clubbing (or at any time). Don't invite gents who call for you into your apartment. Have them meet you below. If they once get in, they may decide they'll stay a while, smoke your cigarettes, drink all your liquor, raid your ice box, and then if you won't give in, they won't buy you dinner. * * * * * Few Gotham glamor gals are home-grown. Our gals don't go in much for show business and modeling. Those professionals you see on the street and in the night clubs almost all come from out of town. The deep South--Texas, Oklahoma, Georgia and Florida--towns like Scranton, Pa., and West Coast points, contribute most of our flashy frails. For a long time, during the war, our source of supply was cut off, when the gals made more money at home in defense work or as waitresses than they could expect to begin with in the expensive-to-live-in metropolis. But in days before that, there was no horizon at home for a good-looker with ambitions. They hitchhiked, rumbled in by bus, train and plane. The more fortunate became models or show girls. One of a thousand went on to fame and fortune in Hollywood or acquired a millionaire, in or out of wedlock. But the reward for the lucky ones is so great that for every failure a dozen new, young, starry-eyed twists come to town. The case of Mary Stuart, of Tulsa, Okla., is typical. It is one of the stories that could only happen on Broadway. The chief characters: Joe Pasternak, famed movie producer and discoverer of Deanna Durbin; his wife, the former Dorothy Darrell, who was a chorus girl Cinderella, and Mary Stuart, the 19-year-old beaut from out West. But let us start from the beginning. Destiny stopped in Tulsa and pointed his long, bony finger straight at New York. Mary took the hint.