U.S.schr. Wild Catt Havana^ Jltay 23.Nothing new has transpired; all remains as when [ wrote you last, with the e xception of having been relieved by the Greyhound, lieut. comd’t. Kearney. This vessel and the Ileagle w ill sail this afternoon for Thompson's Island, where we shall undergo repairs, preparatory to another cruize. No change of importance or measure of consequence, has been adopted here by the new governor; the people are in anxious expectation of something decisive; assassinations arc frequent, and increase daily. 1 lie governor has visited the prisons of the city, and f rom the marching of prisoners, it is presumable he has made some changes, meliorating their condition. The city is considered remarkably healthy—few deaths occur from fever.— The Greyhound sa Ison Sunday with convoy; the Juckuli leaves this place for Matanzas,whence she will sail on Sunday next with# ■convoy. Piracy is considered as suppressed for the present—the trade is attended with too much risk. Neither the II of net nor Shark has yet arrived.The information touching the health of the city, the governor’s movements, Sec. is obtained from the best authority. 1 made it my business to ascertain facts particularly.”