...sion of the North. He declared his firm intention to take Matamoras, or to die in the attempt, and stated that in the course of events he expected to be successful without any great loss of life. Caravajal is a medium sized, heavily built man, with a pleasing and very intelligent countenance. Gen. Garcia's Camp.--We also visited the Plaza of Matamor as and had a chat with Gen. Garcia, who is an a...