Mosquito (1862–1877) Built by the Vulcan Foundry. Named after the insect, the mosquito. Myrtle (1864–1873) Built at Swindon, it ran as a 2-4-0 tender locomotive. Named after the myrtle genus of flowering plants. Rose (1863–1877) Built at Swindon. Named after the flowering shrub, the rose, the symbol of England. Shah (1862–1872) Built by Kitson & Co. The shah was the ruler of Persia. Shamrock (1863–1877) Built at Swindon. Named after the flowering plant, the shamrock, the symbol of Ireland. Thistle (1863–1874) Built at Swindon. Named after the thistle family of flowering plants, the symbol of Scotland. Violet (1864–1872) Built at Swindon. Named after the flower, the violet. Wasp (1862–1875) Built by the Vulcan Foundry. Named after the insect, the wasp. References Metropolitan 2-4-0T locomotives 2-4-0 locomotives Broad gauge (7 feet) railway locomotives Vulcan Foundry locomotives Kitson locomotives Railway locomotives introduced in 1862