Sandy Hook, 8ep, 23. The stennisnip China, from Liver. pool on the 12th, via Queenstown on the 13th, has passed this point. Losdon, Sept. 12 - Government hu Oertainly resolved to stop the steam rams in the Mersey. The Florida is detaiaed at Breat to satinfy French claims. It s positivoly asserted thiit Maiim. illian accepts the Mexiean crown. Mr. Field has arranged everythin? to lay the Atlantio cable next summer, lt is ruported that Lower California is to be ceded to Franee. La Franee and La Pretse editorial, ly approve of the Confedérate calliog out negro trompa.