of 223 lives. SS Constitution (1851): Built in 1850, she made a voyage between San Francisco and Panama for Pacific Mail Steamship Company in 1851. SS John L. Stephens: Launched on September 21, 1852 for the Pacific Mail Steamship Company. She left New York for San Francisco on December 17, 1852 and arrived with passengers from Panama City on April 3, 1853. She continued the San Francisco to Panama route until October 1860. In 1864 she was sailing between San Francisco and the Columbia River. She was sold in 1878 to Sisson, Wallace & Co., and went to Alaska, used as a floating cannery. SS San Francisco (1853): Built in New York. Sank off the coast of the Carolinas on 6 January 1854 while on its maiden voyage from New York to San Francisco, in heavy weather, with hundreds of casualties when the engines broke down. SS Winfield Scott (1853): Built and launched in October 1850. She arrived at San Francisco in April 1852 and operated to Panama City until April 1853 for the Independent Line, then for the New York & San Francisco Steamship Company. She was then purchased by the Pacific Mail Steamship Company in July 1853, but was then wrecked on Anacapa Island in thick fog when bound for Panama City on December 2, 1853. There was no loss of life. SS Sonora (1853–1868): Built for the Pacific Mail Steamship Company, she was launched on 1 October 1853. She left New York on March 11, 1854 and arrived San Francisco on May 31. Used on the San Francisco to Panama City service until May 1863. She made one voyage to Panama City with troops in 1865 and was scrapped in 1868. SS St. Louis (1854–1855, 1859–1878): Built and launched for Pacific Mail Steamship Company on February 1, 1854, she was chartered to the New York & Havre Steam Navigation Company and sailed from New York for Havre on August 1, 1854. Sold to the U.S. Mail Steamship Company in August 1855 and made occasional New York to Aspinwall voyages between 1855 and 1859. Returned to Pacific Mail Steamship Company when the U.S. Mail Steamship Company dissolved, she sailed from New York on November 22, 1860 and arrived in San Francisco via Panama City on February 9, 1861. She then operated between San Francisco and Panama City until 1866. She was scrapped in 1878. SS Golden Age (1854–1862):