From Mexico

Nl-w York, Dec. 22. The steamship Union has on i veil froin Havana on the löth. Th ere is n later nawa (rom Mexico. The new Captain General Dulce had irrivcd at Havana, and Gen. Serrano has h-fi for Spain. Th s secesionista intended jjining ia un oval on to him by aecompanying him to the eptraooe of the harbor in a stenm er, but he réquested them not, snd G'en. Duloe iorbade it. Thero are still 40,000 boxes of tho old erop of eugar on hand. Uaiver öally heavy rains have injured and ra. u.i j,,,] the now erop, which will basmalT There wens but twenty-one arrivalof rebel veesels with cotlotl, ona of which was from Matamoros,