D0lt;'TOR’S WARNING ON DIVING PERILSrii» fate of Betty Slade, the 1d year-old champion springboard diver of England. who Is in hlt;*pital for a serl-ouj. ear operation after Ukmje part in a diving romj»etitlon In Holland, has prompted English doctors to irene a warning atwit the danger* ol wim-thing and diving '‘Nearly 10 per cent, nf Ihe ear ca«e* requiring operation* are directly due t« swimming and diving. reid a -pe-cfclUt at the main Londo- ear hospital. jWomen twlmtucrs who rely on bathing eepji or halmeta. say English doc- , ior*- »r* warned that these arc not sumdet-t protection Ears must lie l