order to protect the entrance of the reserve army commanded by General Melchor Muzquiz under whose orders Canalizo was placed. For his services in the successful revolution, the newly established Bustamante government made Canalizo a colonel. The government assigned him to the pacification of Jamiltepec where he was placed second in command to Eligio Ruelas. He also joined in the pacification of Costa Chica and Las Mixtecas, being in charge of troops during a battle at Zonactlan on January 26, 1831 where he routed the guerillas of Narvaez and Lima. On May, 1831 he was promoted to general of brigade and made commandant general of the State of Oaxaca. Here he tried to suppress the revolution of 1832 against Bustamante’s government, but when the revolution succeeded Canalizo accepted the authority of the new government. In 1833, he joined in the uprising against the government of Valentin Gomez farias which led to the fall of the First Republic and the establishment of the Centralist Republic of Mexico. He was then made governor of the State of Mexico. After an uprising by Juan Alvarez in the south in favor of re-establishing the federal system, Canalizo was placed second in command of the troops sent to Acapulco to suppress the revolt and relieve the siege of that city. He continued to lead campaigns against sporadic uprisings. In 1838 his effort to capture Tampico from the federalist general Longinos Montenegro was repulsed. He retired to Monterey, and then to Monclova after which he defeated the General Canales, and he was called back to Mexico City. President Bustamante was considering sending Canalizo on an expedition to Yucatan when the Bustamante administration was overthrown by Mariano Paredes in 1841. Canalizo remained loyal to Bustamante up until the president conceded defeat through the Convention of Estanzuela on October 6, 1841. Santa Anna called for a congress to redraft the constitution through which he hoped to take control of the Centralist Republic, but the congress which was elected was thoroughly federalist. The Plan of Huejotzingo was now proclaimed urging that congress be dissolved and replaced by a Junta of Notbles who would write a centralist constitution. The plan was successfully carried out and amongst its supporters was Canalizo. First Presidency It was at this point that Santa Anna chose Canalizo to hold the post of interim president while he intended to rule from behind the scenes. Canalizo was