Complex sentence: There were 367 in 1830, of which 138 were in the city itself and 229 in the faubourgs; l496 in 1834, of which 235 were in Paris and 261 outside the city limits.
Split into simpler sentences: There were 367 in 1830, of which 138 were in the city itself and 229 in the suburbs. In 1834, there were l496, of which 235 were in Paris and 261 outside the city limits.