* Navies recover 34 bodies, rescue 206, after Friday's wreck
* Patrol boats rescue 235 more from two other boats
* Italy's Letta, Malta's Muscat call for European action (Adds quotes, background, details)
By James Mackenzie
ROME, Oct 12 (Reuters) - Italian calls for Europe to do more on the migrant crisis grew on Saturday and Malta's prime minister said the Mediterranean was becoming a ...