to the telegraph lines being down it was, however, impossible to communicate with any place south of San Francisco. On the 19th the Pacific Squadron had reached San Francisco Bay, and, at my request, Admiral C. F. Goodrich, commanding, sent a torpedo boat to the Presidio of Monterey, carrying the necessary message to the commanding officer of that post. These orders were delivered with great dispatch and with the result that on the 21st headquarters, 1st and 3d Battalions of the 20th Infantry, Col. Marion P. Maus, commanding, reached San Francisco and reported for duty, being followed the next day by field and staff and the 2d Squadron, 14th Cavalry. The work of sanitation was exceptionally disagreeable. Many dead animals, human bodies and refuse, all in a decomposed condition, littered the area. Added to this the 20th Infantry was obliged to occupy points, where walls of building were tottering, where fires still raged, and in streets filled with debris. The troops subsisted for ten days on the rations carried on their persons from Monterey. They were courteous in deportment and considerate of the people, besides being faithful in their military duties. Verbal reports have been made of frequent cases in which enlisted men of the Regular Army, whose names are unknown, contributed greatly to giving some comfort to the homeless people, making personal sacrifices and furnishing supplies for persons to who they were unknown. In 1908 he was detached again from his unit, to serve as a professor of military science and tactics at the University of California. In 1912 he was promoted to the rank of major, and was selected to attend the Field Officers Course at Fort Leavenworth, graduating March 19, 1913. This was a special class in tactics organized just for the attendees. Vera Cruz After graduation from the Field Officers Course, Lewis was assigned to Command the 19th Infantry at Fort Meade, South Dakota. During the Mexican Revolution, the 19th was moved to Galveston, Texas to take up border duty. The Tampico Affair began as a minor incident involving U.S. sailors and Mexican land forces loyal to General Victoriano Huerta during the guerra de las facciones phase of the Mexican Revolution. The misunderstanding occurred on April 9, 1914, but developed into a breakdown of diplomatic relations between the two countries. As a result, the United States invaded the port city of Veracruz, occupying it for more