... . By IVAN PATRICK GORE. THAMES RIVIERA. Now that Herbert Cecil has started Tagg's Hand in its new form, there seems every possibility of the place vieing with the other up-river resorts in popularity. A big feature about Riviera is that it does not depend upon sunshine, and it is not at tho merey of the elements, although, of course, the bathing beach must necessarily suffer in bad weather. ...